Category: Health

Bacteria and the brain

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Invasive bacteria battle native microbes in the gut. Photo: U-M Health/CC BY-NC-SA 2.0

One of medicine’s greatest innovations in the 20th century was the development of antibiotics. It’s a treatment that has transformed our ability to combat disease. And yet medicine in the 21st century is undertaking a re-evaluation of bacteria and concluding that, far from being uniformly bad for us, many of these organisms are actually essential for our health.

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