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11 stories for“dive medicine”
Divers call it the bends. Doctors call it decompression sickness. Here is what nitrogen bubbles actually do to tissue, and how hyperbaric treatment reverses it.
Feb 14, 2024
When a diver surfaces with decompression sickness, a hyperbaric chamber is the only real fix. Here is how recompression works, and where chambers actually are.
Nov 18, 2024
Below 50 metres, ordinary air becomes a liability for divers. Here is the physics behind nitrogen narcosis, rising gas density, and why trimix exists as the technical diving standard.
Jun 8, 2026
Scuba has real hazards, but recreational diving within training and conditions is a managed-risk activity, not the extreme gamble suggested by rare accident headlines.
Jul 25, 2026
Diving emergencies far from shore involve costly medical evacuations and coordination. Here is how that response is actually funded and organised, and who calls the shots.
Jun 25, 2026
Coughing pink after a deep dive is not something to shrug off. Squeeze happens when tissue cannot keep up with pressure, and the usual causes are tension, forcing equalisation and pushing depth too fast.
Aug 13, 2026
DAN is a name every diver knows, but membership and dive accident insurance are not the same thing. Here is what each one actually buys you.
Jun 30, 2025
PFO, asthma, diabetes and certain medications can all change whether diving is safe. Here is why the medical questionnaire before a course matters.
Jan 27, 2025
Lionfish, stonefish, stingrays and most jellyfish deliver venoms that heat breaks down. The standard measure is immersion in fresh water as hot as you can stand without burning, capped at 45 degrees, for thirty to ninety minutes.
Sep 2, 2026
The 2026 global food-security debate is shifting from calories alone to whether families can afford nutritious food. The consequences reach health, education and productivity.
Jul 31, 2026
Dim the lights, avoid caffeine, keep the room cool. Sleep hygiene is the advice everyone has absorbed, and clinical guidelines do not recommend it as a standalone treatment for insomnia. What they recommend instead is not a supplement.
Aug 21, 2026
