With this research that spans multiple species, from mice to flies to humans, the compound spermidine shows promise for supporting cognition with age.

Researchers find that diet quality and intake of cocoa flavanols — plant-based, health-supporting antioxidants found in chocolate — may benefit age-related memory function in normal cognitive aging.

Many dementia patients have anhedonia, the loss of desire to seek pleasure, which causes a diminished quality of life; this research could open new doors for treating anhedonia in dementia.

Aging affects the brains' stem cells and blood vessels differently in males and females, underscoring the importance of addressing sex in stem cell research and treatment for age-related brain diseases.