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60 stories for“risk”
Spearfishing shares its breath hold physiology with freediving, but a hunting mindset changes the risk calculation entirely, and blackout remains the top cause of death.
Apr 8, 2026
Research divers work under formal scientific diving safety standards, but a marine science background does not make deep or technical diving inherently safer to attempt.
Jun 14, 2026
Oxygen keeps divers alive, until pressure turns it toxic. Here is why central nervous system oxygen toxicity shapes every gas decision in technical diving.
Sep 10, 2024
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
MNDF Sergeant Major Mohamed Mahudhee died searching a Maldives cave for five missing divers. His death shows the risk that recovery divers accept on behalf of strangers.
May 24, 2026
122 of 127 reef ecoregions are in the top threat category once projected heat stress is counted, but the assessors stress that most reefs still have living coral and the window to act remains open.
Oct 29, 2026
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
Shallow water blackout does not warn its victim first. Here is the physiology behind it, why it strikes trained divers, and why solo breath hold diving is never safe.
Jun 10, 2024
The PROTECT package treats drowning as a systems failure involving childcare, transport, infrastructure, rescue and climate preparation, not a single bad choice.
Jul 23, 2026
The old assumption was that one breath cannot load enough nitrogen to matter. Repetitive deep dives with short surface intervals disprove it, and the divers it happens to are usually working, not competing.
Aug 12, 2026
DAN warns that remote liveaboard incidents rose sharply in 2024-2025. Divers can reduce risk by checking oxygen, drills, charging rules, exits and evacuation plans before sailing.
Aug 2, 2026
Fluid can flood the lungs of a fit, healthy diver in cold or calm water alike. What immersion pulmonary edema is, who gets it and why mild symptoms should never be shrugged off.
Oct 17, 2026
