Industrious Bugs

Gut bacteria do a lot. As Ed Yong writes at Not Exactly Rocket Science, they help in digesting food, fighting infections, and brain development. They also, he notes, appear to help some cancer therapies work, at least in mice.

Two independent groups of researchers — one at the US National Cancer Institute and the other in Gustave Roussy Institute in France — found that three cancer therapies seemed to rely on the gut microbiome to be effective.

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