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Clinical genetics news

X-chromosome inactivation attracts mutations that increase risk of hemophilia and muscular dystrophy

In a study published in the journal Science, researchers in Queensland and the United States discovered that the human X chromosome attracts an unusual kind of DNA mutation, potentially doubling the risk of certain genetic ...

Why does an irregular heartbeat show up 40 years early for some people?

An estimated 10 million Americans have atrial fibrillation (AFib), according to the National Institutes of Health's National Heart, Lung, and Blood Institute. AFib is a condition in which the upper chambers of the heart beat ...

Our genes may shape what we eat and our metabolic health

Ever wonder why some people crave sweets while others can take them or leave them? Preliminary findings from a new study suggest that people who carry certain genetic variants associated with a preference for sweet or fatty ...