Top medical news headlines for the week 51

Neuroscience

A fatal mix-up: How certain gut bacteria drive multiple sclerosis

If gut bacteria are too similar to the protective layer of nerves, they can misdirect the immune system and cause it to attack its own nervous system. This mechanism can accelerate the progression of multiple sclerosis, as ...

Neuroscience

Stress hormone identified that helps repair the brain

When laboratory mice suffer brain damage, e.g., from an injection, research group leader Jan Deussing has observed that a certain type of cell always appears and is activated in the immediate vicinity of the injury site. ...

Gerontology & Geriatrics

Long-term study reveals physical ability peaks at age 35

A 47-year-long Swedish study at Karolinska Institutet reveals how fitness, strength, and muscle endurance change during adulthood. The results show that physical ability starts to deteriorate as early as age 35, but it is ...

Neuroscience

Why a mild brain injury can trigger Alzheimer's

New research from the University of Virginia School of Medicine is revealing why traumatic brain injury increases the chance of developing Alzheimer's disease—and the discovery is pointing to a potential strategy to prevent ...