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When to Consult a Health-Care Provider Before Engaging in Physical Activities

Physical activity is important aspect of health, but before you start a regime, complete a questionnaire to determine if and when you should talk to your doctor.

Effects of Scuba Diving on Heart Function

There is an emerging hypothesis that full immersion in water could adversely effect those with previous incidents of heart disease. Learn more about the link between heart function and scuba diving.

A woman with pink-and-black wetsuit gets her scuba gear ready before diving

Slow Down Progression of Atherosclerosis With Lifestyle Behaviors

There are four healthy lifestyle behaviors that could help you slow the progression of atherosclerosis and lower the risk of death.

High-Intensity Interval Training

Rev up your training with high-intensity interval training sessions! What’s the big deal? Learn more about these strength-building sessions. It’s time to hit it!

Man in green shirt holds a plank position

Effects of Diving on the Brain

It is unknown what kind of effect diving has on the brain, but some researchers have found “white spots” in the brain with magnetic resonance imaging (MRI). Read expert opinions on diving and brain health.

Two freedivers ascend in a wave of bubbles

Bored With Your Traditional Fitness Routine?

Kettlebells are a great training tool because they challenge the body’s muscular and cardiovascular endurance. Kettlebells are affordable and the workouts are customizable. Read more about kettlebells.

Torso of man in red short holding a kettlebell up to his chin

Perfluorocarbons

Research in perfluorocarbons (PFCs) is raising hopes that it could be a more effective adjunct treatment for decompression sickness. Hear from our experts about the use of PFCs in treatments.

Two gloved hands inject some red stuff into some vials

Swim Training for Scuba Divers

Swimming has plenty of benefits for scuba divers, including keeping cardiovascular health in tip-top shape. Read more about swimming for scuba divers and glean an example pool workout.

Man in Speedo and blue fins swims underwater in a pool

Medical Emergencies in Remote Environments

How you handle medical emergencies in remote environments is incredibly important. Read our best tips on a variety of plausible scenarios for dealing with these particular emergencies.

Man and woman sit on beach and boop index fingers

Matters of the Heart

We’re all getting older — aging is inevitable — but our eagerness to dive is undiminished. This report by DAN’s senior director of research provides insights to help us continue diving for years to come.