public-health 
Healthy Living
Mental Health
seniors
- Avoiding Isolation By Volunteering Offers Mental Health Benefits to Seniors
- Brain Volume, Health Linked to Socioeconomic Status
- Social Life Protects From Stroke, Infections, Blood Proteins Suggest
- Some Brain Cells Change with Age, Some Don't: Study
- Singapore Is Ready for a Rapidly Aging Society, Study Says. What About the U.S.?