Scientists discover why poor sleep may harm some brains more
A gene involved in the brain’s overnight cleaning system may change how strongly poor sleep affects Alzheimer’s-related brain changes. The findings point toward more personalized prevention strategies based on both…
Common knee surgery may do more harm than good, 10-year study shows
A Finnish study followed patients for 10 years after they had a popular knee surgery. For many, the pain continued or even worsened.







