Chronic viral infections leave permanent effects on immunity, similar to what is seen in the aging process.

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.

Boosting NAD+ levels with NMN improves the health and integrity of both the cerebral blood flow system and the brain as a whole, leading to neurovascular rejuvenation in a group of aged mice.