NEW YORK (GenomeWeb) – Researchers led by computer scientist Yaniv Erlich have analyzed giant crowd-sourced family trees with up to 13 million members, generated from 86 million public profiles from a genealogy website. Based on the birth and death dates of millions of relative pairs, they estimated the genetic component of longevity to be lower than what other studies have reported, a finding that some experts dispute.

The data also offer fascinating insights into the migration of families over hundreds of years, and may aide other studies that combine family trees with DNA data.

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The Atlantic reports that genetic counselors are coping with an influx of patients seeking advice on their direct-to-consumer genetic test results.

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