Genetics

Our genes shape our gut bacteria, new research shows

Our gut microbiome—the ever-changing "rainforest" of bacteria living in our intestines—is primarily affected by our lifestyle, including what we eat or the medications we take, most studies show.

Genetics

Memory making involves extensive DNA breaking

The urgency to remember a dangerous experience requires the brain to make a series of potentially dangerous moves: Neurons and other brain cells snap open their DNA in numerous locations—more than previously realized, according ...

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