'Lifestyle Zone'

Companies have popped up that offer genetic testing aimed at telling customers anything from their ancestry to their telomere length to their risk of developing diseases like Alzheimer's. The Guardian's Barbara Ellen offered up some spit and blood to be tested by Thriva, Titanovo, and 23andMe to see if the tests were worth their while.

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Jay Shendure and his colleagues have developed a new method to more comprehensively identify human cell types, the NY Times reports.

Researchers in the UK and Japan have shown that infertility in mice with three sex chromosomes can be overcome, according to the Guardian.

China is embracing preimplantation genetic diagnosis, Nature News reports. 

In PLOS this week: host genetic factors associated with cervical neoplasia progression, population patterns for an ancient flowering rainforest plant, and more.