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).

St. Jude Children’s Research Hospital identifies that the molecule DDX3X is used by cells to interpret and respond to stress. This is a possible strategy for taming inflammation in diseases like atherosclerosis and cancer.