THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK

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Preventing Mask Squeeze

By Janet Reyes, EMT-P

Q1 2026

Imagine descending to a beautiful reef. The water is clear, fish glide past, and then you feel a strange pull on your face, like the mask is trying to suction itself onto your eyes. When you surface your eyes are red, swollen, and possibly bruised. The cause was mask squeeze, a common but preventable dive injury.

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Emmanuel Dugrenot

By Frauke Tillmans, PhD

Q1 2026

Emmanuel “Manu” Dugrenot, PhD, a senior researcher at Divers Alert Network (DAN), brings cutting-edge physiological research to the development of safety protocols for both technical and recreational diving.

Dodging a Bullet

By Tony Pietrantonio

Q1 2026

While growing up I had two lifelong goals: become a diver and join the military to be part of the elite Special Operations Forces. I became a certified diver in 1994, when a close friend convinced me to plunge into Louisiana’s lakes with him, and I joined the U.S. Army a year later.

Stay Current, Stay Safe

Text by Mike Welch; photos by Stephen Frink

Q1 2026

Divers Alert Network (DAN) provides the industry’s most comprehensive cardiopulmonary resuscitation (CPR) and first aid training, grounded in evidence-based practices. Our programs leverage DAN’s research and medical expertise, along with the internationally recognized guidelines established by the International Liaison Committee on Resuscitation (ILCOR).

Wetsuits and Urination

Leandra Lynn, AEMT

Q1 2026

Urinating in a wetsuit is common for many recreational divers and is generally not harmful when exposure is limited. Immersion in water, especially cold water, triggers immersion diuresis, which shifts blood into the central circulation and increases urine production. Most divers feel that urge within minutes of entering the water. 

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