A new study shows that older individuals who just have a single exercise session can see benefits to cognition. Older adults who exercised for 20 minutes had improvements in memory before and after exercise.

A study done on rats has shown that Parkinson's disease can migrate from the gut to the brain and heart. Parkinson's disease occurs when the protein alpha-synuclein accumulates in the brain and damages nerves.

A new study shows that low-dose aspirin does not prolong disability-free survival of healthy people over 70, even in those at the highest risk of cardiovascular disease.

Corneal repair is typically done using tissue from donors who have died. This is the first case of corneal repair using reprogrammed stem cells, or iPS cells (induced pluripotent stem cells).