Our immune systems weaken as we get older, making fewer cells that fight infection and help us recover from illness and injury. Scientists aren't completely sure why. They may have a better idea now, ...

AD is associated with significant changes in genes related to neuroinflammation, and lipids are crucial in this metabolic dysregulation. Abnormal phospholipid accumulation in the brain not only ...

Changes in vision are often a common sign of aging. If you sit in a dimly lit restaurant with anyone over the age of 60, you'll likely hear the person say, "Hold on - let me pull out my cell phone. I ...