Difficulties Abound

As part of its Evidence Gap series, the New York Times has a backgrounder on the obstacles facing personalized medicine -- getting pharmaceutical companies to develop tests, insurance companies to cover the cost, and doctors to order the test. It also goes into the confusion of contradictory validation study results as well as from inconclusive test results, saying it is not always clear what should be done medically.

 

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US Attorney General Jeff Sessions is considering using DNA tests to determine relatedness between adult and child migrants, the Daily Caller reports.

Bloomberg reports that Brainstorm Cell Therapeutics plans to offer a treatment it is developing under the "right to try" law for hundreds of thousands of dollars.

In Nature this week: expansion of disease-resistance genes among long-lived oak trees, and more.

In a proof-of-concept study, researchers report being able to determine age from dried bloodstains, Discover's D-brief blog reports.