John nearly becomes the second victim when he attempts to rescue a struggling diver.

Lessons For Life: Eager to dive before her training was complete, Abby found herself in a life-threatening situation she wasn't prepared to handle. Learn from her mistakes and avoid this tragedy.

Sandra never really wanted to dive, but under pressure from her boyfriend she gave it a shot--with nearly fatal consequences.

An ill-conceived scheme leaves one diver trapped on the bottom with two tanks, but no air.

Dan saved a few bucks by ordering his gear online, and it nearly cost him his life.

A diver facing two sharks in low vis discovers that her new buddy is nowhere to be found. Another installment in our dive training series Lessons For Life. For more dive training and safety tips, visit scubadiving.com

Scuba Diving Accidents and Safety Tips: Combine shore diving with poor fitness, unserviced gear, bad judgement and a hangover. Another installment in our dive-training series Lessons For Life.

Three divers watch their dive boat disappear as they drift helplessly in the opposite direction. What would you do? Another installment in our dive-training series Lessons For Life.

Breathing from the wrong gas supply didn't kill Sam — heart disease and obesity got him first. Another case study in our Lessons for Life dive training series.