Two trajectories of brain aging were identified in a cellular analysis of post-mortem brain tissue: one leading to Alzheimer's disease, the other to an alternative brain aging pathway. The study ...

A new post-mortem brain tissue study is offering clues as to how exercise in old age can improve brain health and prevent cognitive decline. The research found late-life physical activity was ...

It also added that the brain tissue was found wrapped in a ... fragments of bone did not show any signs of vital reaction indicating the post mortem nature of separation,' it added.