DCS Mystery
I am a 55-year-old avid diver who made about 300 dives in 2023, most of which were coldwater shore-entry dives near San Diego, California, to below 100 feet (30 meters). […]
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A Critical Look at No-Decompression Limits
As a hyperbaric physician and dive instructor, I’ve been around a lot of dive accidents, and I’ve spent decades educating divers and treating decompression sickness (DCS).
A Tourniquet Saves a Diver’s Life
A recent dive trip changed the lives of everyone involved, and I hope this story might help save another life. About 30 days before the trip, I was talking to […]
Lung-on-a-Chip
Researchers at the University of Colorado Boulder’s Shields Lab — led by Wyatt Shields, PhD, an assistant professor ofchemical and biological engineering — are investigating how engineered microparticles, specifically designed for use in biomedicine, can be used in areas such as biosensing, where they bind to certain molecules or cells to enable drug delivery and the detection of biological conditions.
Diving in Remote Areas
Diving has inherent risks. The human body was not designed to be underwater, and drowning, decompression illness, barotrauma, hazardous marine life injuries, and preexisting health issues all require an emergency response. Diving in remote areas introduces additional risks, especially access to medical care.
Diving After a Nissen Fundoplication
I am a 57-year-old male who is planning to undergo a laparoscopic Nissen fundoplication for refractory gastroesophageal reflux disease (GERD) and a hiatal hernia. Is the procedure considered an absolute […]
Close-Focus Wide-Angle Photography
Most of our experiences in digital photography are somewhere between one end of a spectrum and the other. Underwater photographers often make an either/or distinction when describing how we shoot, […]
Rewilding Coral Reefs
Rewilding is a popular term in conservation circles, but what does it mean, and is it appropriate for coral reefs? Should divers be clamoring for reef rewilding? Does it represent […]