
Decompression Illness: DCS, AGE, and PFO Risk
Learn the differences between DCS and AGE and how a PFO can raise risk. Get prevention tips and step by step emergency actions for safer diving.
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Diving places unique demands on the human body. Understanding the medical risks that can arise underwater, how to prevent them, and what to do if something goes wrong supports better decisions, stronger dive planning, and a greater ability to help others.

Learn the differences between DCS and AGE and how a PFO can raise risk. Get prevention tips and step by step emergency actions for safer diving.

Most rec divers never see CNS oxygen toxicity, but the consequences are immediate and severe. If you dive nitrox, you need to know the risks.

Learn what it is, how it affects divers at depth, and how to manage its risks. Includes symptoms, mitigation strategies, and why it’s a concern.

How to prevent and manage motion sickness. Proven medications, helpful onboard tips, and personal strategies for staying comfortable on dive boats.

If your legs seize up during surface swims or long finning, you’re not alone. Here’s how to cut the problem down and keep diving comfortably.

Most effective techniques for equalizing ear pressure during descent, including Valsalva, Toynbee, and Frenzel. Clear your ears comfortably and safely.

Contacts or glasses, you do not have to settle for blurry dives. Choose between prescription masks, contacts, and stick on readers to see clearly and dive safely.