This is very important when it's hot out and when you do intense exercise.

That's because they help the body recover from intense exercise.

Avoid strenuous activity and intense exercise, because they could lead to sudden death.

According to recent studies, intense exercise can cause the brain to release endorphins.

Give yourself time to build up to more intense exercise.

Sweating during intense exercise may protect the body against asthma, suggests a new study.

However, it's not that simple sometimes intense exercise will cause blood sugar to go up, meaning you may need more insulin.

The typical spinning class involves what should be, if done right, 40 minutes of intense exercise.

In intense exercise, lactate has been estimated to provide a third of the brain's energy needs.

Special sports drinks are not recommended unless you engage in intense exercise for more than an hour.