Obesity in older people is often blamed on poor diet or reduced metabolism. However, diet sodas, a typical replacement for high-sugar drinks, may also be a culprit.

Having a healthy weight is a well-known way to help maintain good heart health, but new evidence suggests that, in women, staying slim could cut cancer risk.

Just because people with low vitamin D levels often have high blood pressure doesn't mean that more vitamin D will fix the problem.

If those aching joints are a result of rheumatoid arthritis, it may be a signal to take extra care of your teeth.

Many people exercise and eat healthily to improve their overall physical health, but those habits might also boost mental health.

If you want your spouse to get in better shape, try lacing up your own shoes and heading to the gym. Your husband or wife may be quick to follow.

A calorie is a calorie, right? Not so fast.

The wisdom of the common parental advice to eat your veggies doesn't just apply to children.

They say teens will eat anything that isn't nailed down. If that includes nuts, it could improve teens' health.

You may not have to completely give up meat to reap some of the possible benefits of a vegetarian diet.