Astronauts who spend too long in space return with greater dementia risk, study finds

Astronauts who spend too long in space return with greater dementia risk, study finds

Astronauts who spend too long in space without gravity return with bigger brains and a higher risk of dementia, a study has found. Lengthy trips to other planets can cause ventricles in the brain to enlarge, leading to a decline in function, according to scientists at the University of Texas.   Their research, published in […]