Medical research

Solving a biological puzzle: How stress causes gray hair

When Marie Antoinette was captured during the French Revolution, her hair reportedly turned white overnight. In more recent history, John McCain experienced severe injuries as a prisoner of war during the Vietnam War—and ...

Gastroenterology

Engineered probiotic can 'sense' inflammatory bowel disease

Northwestern Medicine scientists have developed an engineered probiotic capable of detecting inflammatory bowel disease, according to a study published in the Proceedings of the National Academy of Sciences.

Neuroscience

Brain damage caused by plasticisers

The plasticisers contained in many everyday objects can impair important brain functions in humans. Biologists from the University of Bayreuth warn of this danger in an article in Communications Biology. Their study shows ...

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