A new study from researchers at the University of Edinburgh shows that cats may develop dementia in a similar way to humans — ...

Signs of life on K2-18 b are revisited as a new NASA-led study finds no conclusive evidence for dimethyl sulfide, tempering earlier reports.

The study is among the first to focus on possible brain effects in recreational pot smokers, said Dr. Nora Volkow, director of the National Institute on Drug Abuse.

A study released Monday concluded that a self-administered test detected signs of potential dementia, including Alzheimer’s disease, at least six months ahead of the standard testing method ...