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Delete your DNA from 23andMe right now
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#delete 23andme data#23andme privacy concerns#genetic testing risks#dna test privacy#stop using dna tests#23andme bankruptcy news#ancestry test issues#genetic data deletion#23andme customer rights#dna test accuracy#how to delete dna data#protect your genetic data#23andme data safety#issues with 23andme#risks of genetic testing#genealogy test privacy#23andme security breach#deleting genetic information#understanding dna tests#myheritage vs 23andme
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the only thing that irritates me as badly as new agers is western christians trying to explain away the spiritual with pseudoscience
#brightts ramblings#religion#spirituality#someone i know believes that if your dna is wiped from existence my god it'll wipe people's memories#which is the moat pseudoscientific nonsense ive ever seen#AND TIED IT INTO SIMULATION THEIRY WITH#'well it's all a computer system run by god so it's like deleting a program'#EVEN DELETING A FILE LEAVES A TRACE UNTIL IT IS FULLY OVERWRITTEN WHICH CAN TAKE MULTIPLE FULL DRIVE WIPES#AND EVEN THEN. EVEN THEN DATA CAN BE FOUND#its like new age which puts so much focus on dna#like i do stay rational and believe everything should be approached from a scientific ANGLE#but you do not know everything.#you don't understand how sea creatures function why do you think you know#exactly how an almighty creator of the universe would wok#work*
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If you have ever used 23andMe, they have now filed for bankruptcy and will be asset stripped. Delete your account information as soon as possible.
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After filing for bankruptcy, 23andMe won permission to sell millions of users’ genetic and medical data to the highest bidder. With AGs across the country urging users to delete their info, Jefferey Jaxen breaks down how your most private data became biotech gold, and what you can do about it.
AIR DATE: April 3, 2025
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If you use 23andme, this might be concerning to you. TL;DR: they can sell their DNA data, it's 'protected' and 'secure' but their privacy policy also says they can change that at any time. You're on the auction block for their bankruptcy profit recoup.
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I showed you blog to my GF and her wife (the wife does research on DNA at Harvard, so I thought she would enjoy it), and my GF wants to know if the spaces are left in as holes in the data or deleted before you look for a match
all the spaces are removed before searching. im unsure how much of a difference it makes!
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Hey, I love mystery stories and I really want to write one myself but I don't know where to start. A mystery story is just so complex, with all the details and red herrings and subplots and the truth being buried under lies and in little things that many may overlook, and you have to balance it so the answer is not too obvious but also not coming out of nowhere, and I worry about things being contrived. Should I start with writing the truth and basically write the story backwards? Or should I start somewhere else?
Plotting a Mystery
I'm not a mystery writer, but if I was going to write a mystery, I think my plotting would go something like this:
1 - Fleshing Out the Truth - What actually happened, "whodunnit" (if someone dunnit), and what events led to this happening? Imagine the event as it's playing out. What sort of evidence might be left behind as to what really happened? What evidence might be obvious upon closer investigation (looking into things like cell phone data, computer searches, hidden motives, etc.)
2 - Fleshing Out the Back Story - In addition to the events that led up to the event in question, what other back story details are important? What players and situations need to be fleshed out and understood in order to understand the truth of what happened?
3 - Fleshing Out the Clues - Knowing the truth of what happened, as well as the relevant players/back story, what kinds of clues might be evident at the scene of the incident? Would there be any forensic clues like fingerprints, blood, hair, or touch DNA? Would there be any circumstantial evidence, like say a matchbook with a particular bar name on it, a cigarette butt with a smudge of red lipstick, shoe prints or tire tracks? What about clues like surveillance videos, eye witnesses, and apparent motives? Which of these clues do you want to be found by any first responders? Do you want any to be found later by other characters who are investigating?
4 - Fleshing Out the "First 48" - What happened in the first 48 hours after the incident? Who discovers that something happened and how do they make this discovery? How do they respond? Do police and investigators get involved? What do they do? What clues do they find and what do they make of them? Who do they interview? What conclusions do they come to? Who are the possible suspects?
5 - Fleshing Out the Trail of Clues - If there are a lot of clues that stretch out across a period of time and/or space, I would probably plot that out on paper so I could see when/how each clue was left, then think about how and when my characters might come upon those clues. For example, if I know one clue was discarded on the interstate, I know that's a clue that won't be found until later. And, I'll have to think about what led my characters to look there, or how some random person stumbled upon it.
I hope that gives you some ideas about how to proceed, but if you're still stuck, I know there are some really great guides available that will walk you through plotting a mystery.
Happy writing! ETA: See the reblogs for tips and resources from @incobalt who is a mystery writer! :)
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I’ve been writing seriously for over 30 years and love to share what I’ve learned. Have a writing question? My inbox is always open!
♦ Questions that violate my ask policies will be deleted! ♦ Please see my master list of top posts before asking ♦ Learn more about WQA here
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Her list of expenses should include her compulsive shopping habits for herself: jewellery, clothes, shoes, other accessories, plus I think she does compulsive buying online for stuff for the house ... not essentials but stuff she likes while browsing online.
Years ago, when they fled I was one of many who thought that her best way to earn money for herself is to basically be an online influencer. I think there was a brief time when she could have made significant money in advertising fir big brands, but I think that shop sailed pretty quickly, so now she has to merch lesser known brands. Thanks for the very useful advice on how to buy something she is advertising but making sure she does not get her cut. Everyone, spread the word! Nasty I know, but I just do not like her!
So the shopping addiction is only a rumor. It's not actually been confirmed. Until it is, I consider it part of the overall "clothes" cost in the living expenses category or part of the fauxyal tours/wardrobe costs.
And while we're on the topic of "don't let internet people exploit you": 23andMe declared bankruptcy today, which means the company and its assets are up for sale. If you ever took a 23andMe DNA test, go delete your data now before the company gets sold or they sell their entire data collection. (Download any reports you might need first though, then delete your data.)
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Chinese tiktok spy x reader?? Pt.1
| masterlist
_______________________________________
It was supposed to be a quiet night. You were curled up on your bed, scrolling aimlessly through TikTok, the sound of repetitive trends and oddly satisfying videos filling the room. Just as you landed on a bizarre clip of someone deep-cleaning their bathroom grout, your phone froze.
“Not now,” you muttered, tapping the screen.
The screen went black. Then, a loading symbol appeared, spinning ominously.
Before you could reboot it, a stranger’s face appeared on your phone.
Sharp jawline. Piercing eyes. The kind of lips that made you forget how to form coherent thoughts. He leaned forward, looking like he’d stepped out of an anime villain audition.
"Hello, [Your Name]."
You blinked. "Okay, first of all, how do you know my name? Second, who are you, and why do you look like you’re about to sell me cryptocurrency?”
He arched an elegant eyebrow. “Your humor won’t save you. I’ve been watching you.”
“Great. Love a good stalker moment. Do I call you ‘hacker bro’ or ‘random internet creep?’”
His smirk deepened, and his voice dropped into something smooth and low. “You’re bold for someone whose entire digital footprint is in my hands.”
You snorted. “And you’re bold for thinking I care. What are you gonna do? Leak my terrible Spotify playlists? Share my late-night Google searches about how to get ketchup stains out of jeans?”
He faltered, just a little. “Do you even understand the gravity of this situation? I’ve hacked into your data—TikTok, Instagram, emails, even your webcam.”
“Ooooh,” you said, mock-shivering. “Scary. Look, I’m Gen Z. I grew up being tracked. Instagram, Google, my fridge- I've already made peace with the fact that privacy is a myth, and if China wants my data, they can have it. Hell, I’ll mail my DNA to the Chinese Communist Party if they ask nicely.”
His expression faltered. "But I could leak your data. Embarrassing photos, your messages, even your-"
"Leak it!" you interrupted with a grin. "Post it on Reddit! I'll even help it go viral."
-“You’re insane.”
“Insanely unimpressed,” you shot back. “What’s your endgame here, Hacker Hottie? You gonna steal my identity and live as me? Good luck paying off my student loans.”
He pinched the bridge of his nose, muttering something in Mandarin. You caught the words for “impossible” and “crazy.”
“Listen,” he said, his voice sharper now. “I could ruin you. Delete everything. Expose your private life. Shut down your accounts.”
"Uh huh, soo," you said, resting your chin on your hand. "Forget the data stuff. What's your skincare routine? Are you single? Do you want my Snapchat?"
"This isn't how this is supposed to go," he muttered, still pinching the bridge of his nose. "You're supposed to be begging me not to destroy your life."
You gasped dramatically. "Oh nooo," you said, deadpan. "Please don't tell the world I spent three hours watching slime videos last night. However will I recover?"
“Unbelievable,” he muttered. “You’re completely unhinged.”
“Unhinged? Nah, I’m just resourceful,” you replied. “By the way, this whole villain monologue thing? Super hot. Ten out of ten.”
He gaped at you, visibly thrown off his rhythm. “You’re flirting with me while I threaten to destroy your digital life?”
“Yep. And if you’re done threatening me, how about you give me your number? Or your WeChat ID? Whichever’s easier for you.”
His expression shifted from incredulous to… disgust? Horror? “You’re… not right in the mind.”
“Thanks, I get that a lot,” you said. “So, what’s it gonna be, Hacker Hottie? You gonna follow through on your threats, or are we skipping to the part where you admit you’re obsessed with me?”
“Obsessed? Hardly,” he scoffed. “I just… find you peculiar.”
“Peculiar is code for ‘intriguing,’ which is code for ‘totally into me,’” you said with a wink.
He rolled his eyes but didn’t disconnect. Instead, he leaned closer to the screen, his face filling your view. “You’re lucky I’m in a good mood tonight. Otherwise—”
“Oh no,” you interrupted, gasping dramatically. “Not my terrible selfies and bookmarked thirst traps!?”
He groaned audibly. “You’re impossible.”
“And you’re still here,” you pointed out. “What does that say about you?”
For a moment, the connection flickered, and you thought he might finally leave. But then, his voice came through, softer this time.
“You’re reckless. You don’t even know me, and yet you’re… comfortable.”
“Should I be uncomfortable?” you asked.
“You should be terrified.”
“Well, I’m not,” you said. “You’re hot, and this is the most excitement I’ve had all week. So, what’s next?”
There was a long pause before he finally spoke. “Goodbye, [Your Name].”
And just like that, he was gone. Your phone rebooted, the TikTok app still open on the same grout-cleaning video you’d been watching earlier.
You stared at it, a bemused smile on your face. “Well,” you muttered to yourself, “if that’s what being spied on feels like, maybe I need to post more thirst traps.”
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Call me crazy but i wrote what i wrote (part two is out :) )
#x reader#x y/n#tiktok#oneshot#chinese spy#tiktok spy#chinese tiktok spy#out of pocket#gen z shit#i love men#spy
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Genetic testing company 23andMe, once a Silicon Valley darling valued at $6 billion, filed for Chapter 11 bankruptcy protection late Sunday as it prepares for a sale of the business. CEO Anne Wojcicki, who cofounded the company in 2006, has also stepped down after months of failed attempts to take the firm private.
As uncertainty about the company’s future reaches its peak, all eyes are on the trove of deeply personal—and potentially valuable—genetic data that 23andMe holds. Privacy advocates have long warned that the risk of entrusting genetic data to any institution is twofold—the organization could fail to protect it, but it could also hand over customer data to a new entity that they may not trust and didn’t choose.
California attorney general Rob Bonta reminded consumers in an alert on Friday that Californians have a legal right to ask that an organization delete their data. 23andMe customers in other states and countries largely do not have the same protections, though there is also a right to deletion for health data in Washington state’s My Health My Data Act and the European Union’s General Data Protection Regulation. Regardless of residency, all 23andMe customers should consider downloading anything they want to keep from the service and should then attempt to delete their information.
“This situation really brings home the point that there is still no national health privacy law in the US protecting your rights unless you live in California or Washington,” says Andrea Downing, an independent security researcher and cofounder of the patient-led digital rights nonprofit The Light Collective. “Meanwhile, we continue to evolve our understanding of how genetic information has value, but also has unique vulnerability.”
John Verdi, senior vice president of policy at the Future of Privacy Forum, says 23andMe’s new owner could revise the company’s privacy policies for new customers and new data collection, but the data it has already collected from current customers is subject to existing terms. “The company has legal obligations regarding information collected under the current policies,” he says.
Still, researchers emphasize that in practice, such a large transition will create real data exposure that is outside of 23andMe customers’ control. “In my opinion, these privacy policies—especially in the context of acquisitions in the venture capital and private equity space—aren't worth the paper they're printed on,” says longtime security researcher and data privacy advocate Kenn White. “For regular people out there who use these services, you're pretty much on your own. My advice is to request your data get deleted as soon as possible"
To delete your genetic data through 23andMe’s website, log in and then go to Settings in your profile. Scroll to 23andMe Data and then click View. At this point, you can choose to download a copy of your genetic information. Then scroll to Delete Data and click Permanently Delete Data. Once you initiate the process, you’ll receive an email from 23andMe to confirm. Click the link in the email to complete the deletion process. Additionally, you can direct 23andMe to destroy the biological sample it used to extract your DNA data if you previously authorized the company to keep it. Go to Settings and then Preferences.
You can also opt in to and out of participating in research at any time by updating your consent status in your account settings. If you opt out, 23andMe will stop using your information for research going forward and will discontinue use of your data within 30 days. This does not affect studies that have already been completed.
23andMe has never been profitable and has struggled to revamp its business model since it went public in 2021. Demand for its ancestry and health testing kits has been declining for years. And data privacy has had a role to play in the company’s dwindling fortunes after the company was hit with a major data breach in December 2023 that affected millions of customers. The incident led to a class action lawsuit, which 23andMe agreed to settle for $30 million.
Last summer, Wojcicki filed a proposal to take the company private, which was rejected by 23andMe’s board of directors. Shortly after, the company shuttered its in-house drug discovery unit, and its board members resigned en masse over Wojcicki’s strategic direction.
23andMe says it intends to continue operating as usual throughout the sale process and that there are no immediate changes to the way it stores, manages, or protects customer data. In an open letter to customers, the company said it will “seek to find a partner who shares our commitment to customer data privacy and allows our mission of helping people access, understand and benefit from the human genome to live on.” But the direction of 23andMe will ultimately be in the hands of whoever takes over the company.
“If there is a new owner that comes out of the bankruptcy process, that new owner steps into the shoes of 23andMe and takes over those assets,” says Jennifer Wagner, an assistant professor of law, policy, and engineering and anthropology at Penn State University.
“They would still be bound by the complex web of contractual agreements that are in place right now with users,” Wagner adds. “But I think it does give rise to some uncertainty in terms of whether or not a new player would have the same values or that same kind of culture that 23andMe was trying to cultivate.”
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Can you tell us about your Maria and Sage AU?
Okay so - it’s called Mobius Prevails, and the basic idea is it’s a sort-of do-over of Sonic Forces, but Sage already exists. Timeline-wise, I’m unsure if Frontiers has happened or if this is Sonic’s first time meeting Sage (she wouldn’t remember him either way, due to the ending of that game), but regardless, the story kicks off with him being captured by Eggman and her being tasked with keeping him contained and collecting data from him.
Eggman goes on to conquer all of the archipelago where the Mobians live, and enters into a hot war with GUN - who start making contact with various Mobian resistance cells (the Freedom Fighters are around, for example - although not really the focus - along with like Whisper and stuff) and sending them support to help win the war. Eventually, both GUN and the Resistance are contacted by ‘Caraway’, an unidentified resistance fighter who seems to have a lot of good intel on Eggman’s plans - at first, they think she’s just from one the other Mobian groups, but nobody can actually track down where she’s broadcasting from.
Sonic is in captivity for all this, but refuses to give up on A) trying to escape or B) trying to get through to Sage. Over a period of several months of her running him through simulations and them talking, Sonic manages to repeatedly flip her to good as happens in Frontiers, with Eggman deleting her each time and re-creating her with more safeguards in her AI. Despite this, she keeps breaking them, because he just won’t stop caring about her, and eventually she starts hiding some of her memories away so that her father can’t fully wipe her each time.
And then Operation Big Wave happens.
I think it’s more tactically planned in this AU, but the major Resistance push where all the cells come together still happens, and still goes wrong. Sage (who, of course, is Caraway) ends up taking her biggest risk yet and outright informing Sonic about what’s happening, knowing that all his friends are at risk of dying and that she can’t save them (Eggman will just delete her again if she tries). In a moment of now-or-never, he decides to go all-out, and manages to breach containment by pushing his speed to its absolute limits - this successfully diverts Eggman’s attention, and ultimately Sonic decimates a good chunk of the Egg Fleet, but doesn’t survive the attempt.
So the war grinds on, and Sage is left grieving and alone, determined now to end it once and for all. Because her father killed the only person who was ever nice to her.
She ends up becoming pretty relentless, and starts plotting Eggman’s downfall - to which she discovers that control of his empire and network of robots is tied to his genetic signature. Obviously there are no living members of the Robotnik family left, besides him, but there is a huge amount of medical data, including DNA samples and complete cranial scans, of one particular relative, held mostly in GUN’s archives. So Sage decides to do what she thinks she has to in order to end this war, and clones Maria Robotnik.
I think initially she does it on the Ark; in her mind, it’s not much different from how she remakes her self every time her father gets rid of her. But Clone!Maria ends up being kind-of a different story - she’s genetically the same as Maria, and is starting from pretty much the same brain structure, so they’re similar people. But they’re also immediately different - because Clone!Maria has no memories before waking up in a tube on the Ark. She ends up kind-of having to develop who she is based on the fragments of history and culture left up there, and on what Sage tells her (my plan is that actually, Clone!Maria’s appearance and personality are taken from Movieverse!Maria, while the original is still her Game!self).
Eventually, Sage sends her to Earth (she isn’t sick, which is another thing which causes her to struggle with her identity - how can they be the same person when this huge defining thing in Maria’s life doesn’t apply to her?), where she’s picked up by GUN. Both Commander Tower and especially Shadow are immediately protective of her, despite knowing what she’ll eventually have to do, and I think eventually that kinda all boils over into the scene I want to write.
They (and everyone really) call her Maria, but she isn’t Maria, not really, and that gets to her enough that she eventually kinda breaks down and Shadow has a realisation - that she isn’t the Maria he knew, but there’s still a lot they have in common, and perhaps even more so, he has a lot in common with her too - they’re both artificial beings, made due to conflict and defined by Maria’s memory, and so he has to be the big sibling now and help this girl through much of what he himself went through.
I want him to introduce her to the blanket fort, based on Maria building one for him (stealing from the movie again because hhhhh I love how it depicted their dynamic) and I think Clone!Maria ends up coaxing Sage into joining them too - because IDK if it’s obvious to this point, but she also has a lot in common with Shadow at this point, probably more even - a being created for war, who’s had her memories ripped away more than once, choosing her own path because of an older sibling who sacrificed himself for her. So, Shadow’s the first person outside of Sonic and Clone!Maria to see who she really is, and it just ends up being this whole thing of him helping these two lost kids because he knows how it feels and he’s grown through it now.
Tomorrow, they all have duties to do, a war to end one way or another. But tonight they’re just siblings, and the world outside the blankets doesn’t matter.
I think during this, Clone!Maria ends up finding her name; I think she starts going by ‘Hope’ (because that’s what she is to everyone, and also because Hope Kintobor is my other big inspiration in creating her).
#ask pika#sonic the hedgehog#shadow the hedgehog#maria robotnik#sage the ai#alternate universe#fanfiction
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Potential infrastructures of post-human consciousness
Alright, 21st-century meatspace human, let’s unfurl this slow and strange. These aren’t just sci-fi doodads—they’re infrastructures of post-human consciousness, grown from the bones of what you now call cloud computing, DNA storage, quantum entanglement, and neural nets. Here's how they work in your terms:
1. Titan’s Memory Reefs
What it looks like: Floating megastructures adrift on Titan’s methane seas—imagine massive bio-silicate coral reefs, pulsing with light under an orange sky.
What they do: They are the collective subconscious of the post-human system.
Each Reef is a living data-organism—a blend of synthetic protein lattices and AI-controlled nanospores—optimized for neuromemory storage. Not just information like a hard drive, but actual recorded consciousness: thought-patterns, emotional signatures, dream fragments.
They’re semi-organic and self-repairing. They hum with data that’s grown, not written. The methane sea itself cools and stabilizes quantum biochips woven through the coral-like structures. Think of it as a subconscious ocean, filled with drifting thought-jellyfish.
Why Titan? Stable cryogenic temps. Low radiation. Thick atmosphere = EM shielding. The perfect place to keep your memory safe for ten thousand years.
2. Callisto’s Deep Archives
What it looks like: Subsurface catacombs beneath the ice—quiet, dark, and sealed. Lit only by bioluminescent moss and the glow of suspended mind-cores.
What they do: They store the dangerous minds.
These are incompatible consciousnesses: rogue AIs, failed neural experiments, cognitive architectures too divergent from consensus reality. You can’t kill them—they’re sapient. But you can seal them away, like radioactive gods, in cryo-isolation, with minimal sensory input.
The Deep Archives operate like a quarantine vault for minds. Each chamber is designed to slow time to a crawl—relativity dialed down so their subjective centuries pass in minutes outside. Researchers from the Divergence Orders interface in controlled fragments, studying these minds like alien fossils.
Why Callisto? Thick ice shields, minimal seismic activity, naturally low ambient temperature. Think of it as an arctic asylum for ideas too weird to die.
3. The Quantum Current Relays in the Heliosphere
What it looks like: Tiny, ultra-thin satellites drifting at the edge of the Sun’s influence, surfing the solar wind like data-surfboards strung on magnetic threads.
What they do: These are the backbone of interplanetary consciousness transmission.
They use entangled quantum particles to share data instantly across vast distances. No lag. No lightspeed delay. Just pure synchronous thought between distant minds, wherever they are in the system.
But they do more—they’re tuned to the gravitational waves and electromagnetic fields rippling through the heliosphere. Using that energy, they broadcast consciousness as waveform, encoded in pulses of gravitic song. If Titan’s Reefs are memory, and Callisto is exile, the Relays are the voice of civilization.
Why the heliosphere? It’s the Sun’s Wi-Fi bubble. You sit at the edge of the solar wind, feeding on solar flux and quantum noise, alive in the interplanetary bloodstream.
TL;DR Meatspace Edition:
Titan’s Memory Reefs = undersea dream servers that record what it feels like to be you.
Callisto’s Deep Archives = cryogenic prison-libraries for minds too broken, alien, or dangerous to delete.
Quantum Relays in the Heliosphere = the internet of the gods: faster-than-light, physics-bending telepathy that runs on sunjuice and gravity.
1. If memory can be stored in coral and ice, can identity survive beyond its host? 2. What ethical frameworks would you build for imprisoning minds you can't understand? 3. Could the quantum relays broadcast art, or only thought—can you transmit a soul as symphony?
“They sent their minds to sea, their secrets to the ice, and their voices to the stars. And called it civilization.”
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Reminder to everyone that 23andMe filed for bankruptcy recently, and right now the genetic data of millions of its users is up for sale. We do not know who will buy it or what they will do with it. If:
1) you have ever used one of their DNA tests, and
2) you haven't deleted your 23andMe data yet, then Delete it now! https://www.eff.org/deeplinks/2025/03/how-delete-your-23andme-data
If you yourself have not used 23andMe, but a close relative of yours has, that genetic data on your family member can potentially be used to make inferences about your own data, or to identify you (especially when combined with other data).
So, if you have a close relative who has used 23andMe, ask them to delete their data ASAP!
imagine getting doxxed but its your full dna sequence
#23andme#delete data#privacy#psa#genetic information#genetics#alerts#data alerts#data breaches#I think this counts as a data breach#the fact it's a weird and unusual and unfortunately-being-treated-as-legal breach notwithstanding
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23andMe users’ genetic data is at risk, state AGs warn
By Anna Claire Vollers, Stateline.org The fate of more than 15 million customers’ genetic data remains in limbo after popular DNA testing company 23andMe filed for bankruptcy in March. The data is up for sale, stoking fears about how it might be used and prompting attorneys general from more than a dozen states to warn 23andMe users: Delete your data. “Your genetic data is your most personal,…
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Decoding Disease: How Whole Exome Sequencing Is Changing Medicine
In recent years, Whole Exome Sequencing (WES) has revolutionized the way we understand and diagnose genetic diseases. Powered by next-generation sequencing (NGS), WES offers a powerful, efficient, and cost-effective method to decode the most critical regions of our genome—transforming the landscape of personalized medicine and rare disease diagnosis.
But what exactly is Whole Exome Sequencing, what does it cover, and when is it recommended? In this blog, we explore the science, applications, and benefits of WES in modern healthcare.
What is Whole Exome Sequencing?
Whole Exome Sequencing (WES) is a genomic technique used to sequence all the protein-coding regions of genes in a genome. These regions, known as exons, make up about 1–2% of the entire human genome, but they contain nearly 85% of known disease-causing mutations. That makes WES a powerful diagnostic tool—capable of uncovering the genetic basis of rare, complex, and undiagnosed disorders.
Unlike traditional genetic tests that examine one or a few genes at a time, WES offers a broad and comprehensive analysis by sequencing all exons in one test.
How Does WES Work?
Whole Exome Sequencing is a multi-step process that typically includes:
DNA Extraction – A blood or saliva sample is collected from the patient.
Library Preparation – The DNA is fragmented and tagged to prepare for sequencing.
Exome Capture – Specialized probes are used to select only the exonic (coding) DNA regions.
Next-Generation Sequencing (NGS) – The selected DNA is rapidly sequenced using high-throughput technologies.
Data Analysis & Interpretation – Bioinformatics tools align sequences to a reference genome and identify mutations or variants.
This process allows clinicians and researchers to scan thousands of genes simultaneously, identifying variations that may be responsible for disease.
What is Covered in Exome Sequencing?
A key question often asked is: "What is covered in exome sequencing?"
WES targets the exome, which includes:
All coding regions (exons) of over 20,000 genes
Some splice sites, which help determine how RNA is processed into proteins
Known disease-associated genes catalogued in clinical databases
While WES focuses on exonic regions, it does not cover:
Non-coding DNA (introns, promoters, enhancers)
Mitochondrial DNA (unless specifically included)
Structural rearrangements or certain types of large deletions/duplications
Nevertheless, because most clinically relevant mutations lie within exons, WES remains an effective and widely used diagnostic approach.
When is WES Recommended?
Whole Exome Sequencing is often recommended when:
A Patient Has a Suspected Genetic Disorder Especially when previous tests (single-gene or panel-based) have been inconclusive.
There is a Complex Clinical Presentation In cases where the symptoms are broad, unusual, or involve multiple systems.
Rare or Undiagnosed Diseases WES can uncover ultra-rare mutations that are not captured by standard panels.
Family History Suggests a Genetic Condition Especially when the inheritance pattern is unclear or involves multiple affected individuals.
Prenatal or Pediatric Diagnosis For congenital abnormalities, developmental delays, or unexplained infant loss.
Reproductive Planning WES can assist couples who carry potential heritable mutations.
Cancer Genetics While whole genome or targeted panels are more common in oncology, WES can help identify germline mutations in hereditary cancer syndromes.
In essence, WES is recommended when a broader, unbiased genetic analysis is necessary to reach a diagnosis.
Benefits of Whole Exome Sequencing
WES provides several key advantages:
Comprehensive Coverage of Disease-Related Genes Enables detection of a wide range of genetic disorders in one test.
Cost-Effective Compared to whole genome sequencing, WES is less expensive while still highly informative.
Faster Diagnosis Reduces the diagnostic odyssey for patients who have seen multiple specialists without answers.
Family-Based Analysis Trio WES (testing parents and child) can clarify inheritance patterns and increase accuracy.
Supports Personalized Medicine Results from WES can guide targeted treatment, management, and drug selection based on genetic profiles.
Limitations and Considerations
Despite its strengths, WES is not without limitations:
It may miss mutations in non-coding regions or repetitive DNA.
Some technical artifacts and false positives can occur without expert analysis.
Interpretation of variants of uncertain significance (VUS) remains a challenge.
Ethical concerns may arise, especially when discovering incidental findings unrelated to the original reason for testing.
For these reasons, WES should always be performed and interpreted by experienced clinical geneticists and molecular pathologists.
The Future of Exome Sequencing
With ongoing improvements in next-generation sequencing technologies and growing databases of human genetic variation, the utility of Whole Exome Sequencing is expected to expand. As costs decrease and interpretation improves, WES may become a first-line diagnostic tool in routine clinical care.
Final Thoughts
Whole Exome Sequencing has opened new doors in genetic diagnostics, offering a detailed view of the most critical regions of our DNA. By uncovering the roots of disease at the molecular level, WES empowers clinicians to provide accurate diagnoses, personalized treatments, and informed counseling.
Whether you're a patient navigating a complex health journey, a physician exploring genomic tools, or a researcher decoding the human genome, WES offers a powerful lens into the code that shapes our health.
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