The Wall Street Journal's Hester Plumridge writes that personalized medicine offers advantages, but also poses challenges for pharmaceutical companies. Giving patients a drug that is known to be effective for their genetic profile not only will lower health care costs and limit adverse reactions, but also, Plumridge says, minimize the number of liability claims filed against pharma companies.

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The apple has traveled westward and eastward along the Silk Road, according to a new genetic analysis.

In Nature this week: GWAS data used to reposition drugs for psychiatric use, and more.

Genetic disease risk information doesn't always spur people to make healthy lifestyle changes, according to the Associated Press.

A University of California, San Diego-led team has used liquid biopsies to uncover possible treatments for patients with cancers of unknown primary.