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Articles on 23andMe

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A genetic match to an ancient person doesn’t mean you’re more related genealogically. Mark Edward Atkinson/Tetra Images via Getty Images

DNA says you’re related to a Viking, a medieval German Jew or a 1700s enslaved African? What a genetic match really means

Genealogical and genetic ancestors aren’t the same thing. A DNA match − or a lack of one − may not tell you what you imagine it does about your family tree.
Participants in biobank studies are often asked for broad consent to use their data. Science Photo Library - TEK IMAGE/Brand X Pictures via Getty Images

Researchers can learn a lot with your genetic information, even when you skip survey questions – yesterday’s mode of informed consent doesn’t quite fit today’s biobank studies

Biobanks collect and store large amounts of data that researchers use to conduct a wide range of studies. Making sure participants understand what they’re getting into can help build trust in science.
Many researchers are interested in the genetic history of the Khoe-San. Dana Al-Hindi

How a South African community’s request for its genetic data raises questions about ethical and equitable research

The South African Khoe-San communities are no strangers to exploitative research. One research team is trying to provide genetic ancestry results to community members. But they still face many challenges.
Almost every genetic database shares information with the pharmaceutical industry but it wasn’t until law enforcement started using the databases that consumers took note. (Unsplash)

Home genealogy kit sales plummet over data privacy concerns

Privacy concerns that emerged since law enforcement started mining the databases have put such a serious dent in the business that both Ancestry.com and 23andMe have reduced employees significantly.
Direct-to-consumer genetic tests are not an accurate source of health information. Users should also consider the future privacy implications of sharing their genetic data. (Shutterstock)

DNA tests make fun holiday gifts, but beware of the hype

DNA testing kits will be a popular gift this holiday season. Before mailing off your saliva, it’s important to understand what these kits can and cannot tell us.
DNA database giant Ancestry lets members access international records including the convict and free settler lists, passenger lists, Australian and New Zealand electoral rolls and military records. Patrick Alexander/Flickr

If you’ve given your DNA to a DNA database, US police may now have access to it

A US judge has allowed police access to the major DNA database without users’ consent (including Australian users). It’s a timely reminder that we urgently need genetic privacy legislation.
A telomere age test kit from Telomere Diagnostics Inc. and saliva. collection kit from 23andMe. Anna Hoychuk/Shutterstock.com

DNA testing companies offer telomere testing – but what does it tell you about aging and disease risk?

Genetic testing companies are offering tests that analyze the ends of your chromosomes – telomeres – to gauge your health and your real age. But is there scientific evidence to support such tests?
A woman uses a lancet on her finger to check her blood sugar level with a glucose meter. Behopeful/Shutterstock.com

Can a genetic test predict if you will develop Type 2 diabetes?

Direct-to-consumer genetic testing company 23andMe is now offering a new ‘polygenic risk score’ that reveals your risk of developing Type 2 diabetes. Does it work? Are our family physicians ready?
Genetic testing is available to people who want to know if they carry a variant of a gene that confers susceptibility for Alzheimer’s. But knowing whether to get tested is hard. Billion Photos/Shutterstock.com

Genetic testing: Should I get tested for Alzheimer’s risk?

Alzheimer’s is not only the third leading cause of death in the U.S. but also the most dreaded diagnosis. Genetic testing can help determine susceptibility, but knowing whether to test isn’t easy.
Genetic testing for breast cancer gene mutations is now available. But it could lead to over treatment. Fotos593/Shutterstock.com

As genetic testing for breast cancer gene mutation expands, questions arise about treatment decisions

A genetics testing company recently won approval from the FDA to market a test that can identify a breast cancer gene mutation. But what are women supposed to do with that information? There’s risk involved.

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