23andMe 101

By 23andMe Co-Founder Linda Avey Over the past several months the press has reported a steady stream of breakthroughs in genetics. In what the New York Times has called “a continuing wave of discoveries about the genes underlying common diseases,” studies have found genetic links to breast cancer, ...

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The Power of We

By 23andMe Co-Founder Anne Wojcicki We started 23andMe to enable individuals to get access to their genetic information. Our DNA is a fascinating aspect of who we are, and we feel strongly that anyone who wants their genetic data should be able to get access to it. But we also started 23andMe to ...

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SNPwatch: Prostate Cancer

SNPwatch gives you the latest news about research linking various traits and conditions to individual genetic variations. These studies are exciting because they offer a glimpse into how genetics may affect our bodies and health; but in most cases, more work is needed before this research can provide ...

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Expert group discourages genetic testing for antidepressant dosage

According to a study by an independent panel of medical and scientific professionals, there is "insufficient evidence to support a recommendation for or against use of CYP450 testing in adults beginning SSRI treatment for non-psychotic depression." Although the study discourages current use of CYP450 testing, ...

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Aren’t We All the Same?

Credit: Moncrief It’s well established that at the DNA level, humans are about 99.9% identical. But the slight genetic differences that account for the remaining 0.1% can have significant consequences when it comes to genetic research. In genome-wide association (GWA) studies, scientists look at ...

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Sex, money, dancing, eating….and voles?

At the end of last year (2007) you may have seen reports claiming that scientists in Israel discovered the “gene for altruism.” What they actually found was that a variation in a gene called AVPR1a influences how much money students give to others in the “dictator game,” an experiment where subjects make ...

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Silly Rabbit, Spit Comes from Quids

A few years back, archaeologist Anna Dhody was thinking about how amazing it is that DNA forensic scientists can collect DNA evidence from nothing more than a discarded cigarette butt or paper cup. If there is enough DNA clinging to those modern-day objects to identify the people who used them, she reasoned, ...

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My Genome is in a Tube of Spit?

Spit has DNA? Well, not exactly. Spit has cells in it, and the cells have DNA. For everything except bacteria (and some other types of single-celled organisms), DNA is wound up tightly inside a cellular structure called the “nucleus”. It’s actually pretty amazing how well it’s packed - the DNA of a ...

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Colonists and Colon Cancer

When Mr. and Mrs. George Fry arrived in the New World nearly four centuries ago, they brought with them not just dreams of a better life, but a curse – a genetic mutation that has caused thousands of their descendants to develop cancer. Scientists reported on Wednesday that they had tracked a mutation that ...

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