We've all know that exercise is good for us — the more the better — but if you regularly engage in intense exercise there may be consequences.

Exercising in intense 30-second bursts can deliver more health benefits than 90 minutes of moderate exertion, research ...

Panic attacks are sudden bouts of intense fear without an obvious cause. An estimated 10% of people experience at least one panic attack in their lifetime. But between 2% and 3% of the population have ...