Plenty of people fuel their workouts with protein and other supplements. Unfortunately, it's not always clear what may be added to these supplements. In some cases, dangerous substances have been found in products sold as natural supplements.

Smoking is unhealthy — no doubt about it. And new research is suggesting that the habit might be even worse than previously thought.

When a person has a heart attack, fast treatment is key to a fast recovery. A delay in restoring blood flow to arteries may mean a slow return back to normal activities, including work.

Staying physically active isn’t just about weight control anymore. No, being physically fit is increasingly seen as a way to stave off serious illness – including some types of cancer.

It's important for all children to get a regular amount of physical activity each day. Sometimes, the amount they get is affected by factors at preschool.

It's not unusual for some children to experience stomach pains for no apparent reason. This pain usually goes away on its own. But a little mind over matter might help too.

Living with a chronic disease like diabetes can be challenging. That challenge can take its toll on a person, especially if that person is a child.

Children's attempts to delay bedtime become the stuff of folklore at times. But staying firm about a consistent bedtime can be important.

Babies born earlier than their due dates can often be at higher risk for certain diseases. With a usually weaker immune system, they may benefit from protective measures.

Obesity in adults is linked to increased risks of esophageal cancer, a nasty disease that’s on the rise in the US, Europe and Israel. Researchers have now discovered that being overweight earlier in life may also influence cancer risks.