This Week in Science

In Science this week, two independent research teams publish studies showing how gut bacteria can influence cancer patients' responses to immunotherapy. In the first, investigators examined the effect antibiotics have on the outcomes lung or kidney cancer patients undergoing immunotherapy with PD-1 inhibitors. They found that patients who had recently taken antibiotics have reduced survival compared with those who had not.

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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.