Pulmonary edema is an abnormal leakage of fluid from the bloodstream into the alveoli—the microscopic air sacs in the lungs. It is most often the result of heart failure or other cardiac problems.

Disaster strikes when a spearfisher neglects to watch his air supply underwater.

A proactive mindset will help ensure you aren’t caught off guard by seemingly minor irritations.

Scuba diving without any training or understanding of dive equipment ends in disaster.

The adage “an ounce of prevention is worth a pound of cure” dates back to the 18th century, but it still rings true today.

ASK DAN: What is IPE, and Who is Susceptible?

When a diver fails to handle her anxiety, blind panic turns a routine training dive into tragedy.