Learn how chemicals released by gut microbes end up in exhaled breath, and how researchers used those signals to identify microbial communities linked to disease.

Punch-drunk syndrome, boxer’s madness, chronic traumatic encephalopathy (CTE). The name has changed over the years, but the cause is clear: repeated impacts can affect long-term brain health, with symptoms ranging from confusion to memory loss and potentially dementia.

An international research team has succeeded in deciphering a key mechanism that controls the growth of pancreatic cancers.