To Know or Not?

Sophie Leggett watched her mother and her aunt struggle with early onset Alzheimer's disease, and although she has been tested to see whether she carries the presenilin 1 mutation linked to the disease in her family, Leggett doesn't want to know her results, writes Giulia Rhodes at the Guardian.

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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.

A small study finds differences between three genomic prostate cancer tests, Medscape reports.

In Nature this week: shared genetic architecture for asthma and allergic diseases, and more.

A survey of Canadians finds them to be divided on genetically modified food, the Ottawa Citizen reports.