For a health segment on longevity, NBC's Today show spoke with researchers at Spectracell Laboratories, the only lab in the US that currently offers a test to assess one's telomere length. "Telomeres are structures on the tips of chromosomes that shorten as people age. Think of them like the plastic tips on a shoestring; people with shorter telomeres are more likely to develop illnesses and die earlier," NBC Chief Medical Editor Nancy Snyderman says.

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.