Fitness
- Moderate exercise can improve mental sharpness
- Improved fitness may protect brain
- Getting started jogging
- Exercise after joint replacement
- Reducing soreness after exercise
- Exercise intervals
- Benefiting from physical activity may be easier than you think
- Is it OK to run a marathon with a replaced knee or hip joint?
- Is sitting the new smoking?
- Squats
- Study finds U.S. should step it up
- Low-impact fitness