Dysbaric Osteonecrosis in Recreational Diving

Dysbaric osteonecrosis (DON) is the destruction of bone tissue in the long bones, hips and shoulders associated with diving and compressed-air work. Generally considered to be the result of circulation disruption, osteonecrosis can occur without exposure to pressure changes. Learn more.

Man in blue jeans undergoes an MRI scan

A Field Guide to Minor Mishaps

Do you know what to do when minor things go awry? From rashes to blisters, prepare for these minor injuries and mishaps now to prevent them from derailing your next dive trip.

A blister has formed on the back of a person's right ankle