Whence Rover? Genetic Study Suggests Africa May Have Whelped Man’s Best Friend

The Rexes and Spots of the world have been man's best friend for 15,000 years. But when and where did humans begin domesticating these furry companions? Previous theories suggested that the domesticated dog originated in East Asia and then spread to Africa, Oceania and the Americas. But a recent study by ...

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SNPwatch: Researchers Find Link Between Red Hair and Avoiding The Dentist

Redheads might have a better excuse than the rest of us for avoiding the dentist. For several years now scientists have known that the same genetic variations that give redheads their fiery manes can increase the amount of general or local anesthetic a person needs in order to be properly put out or numbed ...

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Sometimes The “Science” Of ABO Blood Types Goes A Little Too Far

The importance of ABO blood types in transfusions is unquestioned. And the associations between blood type and certain diseases are pretty convincing. But some "scientists" have linked blood type to some pretty wacky stuff. In the first part of the 20th century it seems that there was nothing some ...

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ABO Blood Type: Important For More Than Just Transfusions

Not long after Karl Landsteiner first described the different ABO blood types, scientists started looking for associations between blood type and other human traits.  Some of their theories were truly weird (more on these tomorrow!), but some have held up to scientific scrutiny. Venous Thromboembolism ...

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More on ABO Blood Type: The Key to Compatibility

When it comes to blood transfusions, what's good for one person might be deadly for another. This might seem obvious today, but until 1900 the idea of "blood types" wasn’t understood. A person in need of a transfusion could find himself getting a donation from just about anyone, and sometimes even an ...

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23andMe’s Newest Lab: ABO Blood Type

23andMe customers who are curious about the genetic basis of their ABO blood type, or don't already know which one they have, can now find out using our newest Labs feature. The ABO blood group is just one of more than 25 that go into giving a person their particular "type," but it is probably the most ...

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SNPwatch: Genomewide Study Supports Blood Type As A Risk Factor For Pancreatic 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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DNA Variation May Help Us Break Free From Our Routines

"But we always go there!" And so begins another Friday night.  When it comes to choosing where to go to dinner, my husband likes to stick with the tried and true. I like trying out new places. A new study suggests that the roots of this conflict could spring partly from our genes. It suggests that a DNA ...

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The First Population Explosion: Human Numbers Expanded Dramatically Millennia Before Agriculture

Ten millennia ago, there were about six million people on Earth. Today, there are six billion. This thousandfold increase in the global population is often thought to be linked to the invention of farming and the domestication of animals about 13,000 years ago in the Near East. Growing crops and raising ...

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Genetic Research Could Lead to New Cholesterol Drugs

Editor’s note: Pending an FDA decision, 23andMe no longer offers new customers access to health reports referred to in this post. Customers who purchased prior to November 22, 2013 will still be able to see their health reports, but those who purchased after that time will not. Those customers will have ...

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