Diving
Fitness to Dive: Why the Medical Form Is Not a Formality
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
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41 stories for“cardiovascular disease”
Diving
When Scientists Dive, Credentials Do Not Remove the Risk
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
Diving
The Summer's Diving Deaths Have More in Common Than the Coverage Suggests
A cave in the Maldives, a lake in Germany, an inlet in Florida, a tuna farm off Malta. Four very different events, and a short list of factors that shows up in nearly all of them.
Aug 13, 2026
Diving
How Diving Accidents Are Actually Analysed: The Four Links in the Chain
Almost every fatality report ends with drowning, which tells you nothing. Investigators use a four-part chain instead: trigger, disabling agent, disabling injury, cause of death. Here is how to read one.
Aug 12, 2026
Diving
DAN's Safety Guidance, Condensed: What the Research Body Actually Recommends
Divers Alert Network is not a training agency and issues no certifications. It collects the injury data, then publishes guidance based on it. Here is that guidance, in the order it matters.
Aug 12, 2026
