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.

Genetics

Research identifies gene 'fingerprint' for brain aging

Most of us who've reached middle age have noticed a slowing in memory and cognition, but scientists don't have a clear picture of the molecular changes that take place in the brain to cause it.

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