Diving
The Mammalian Dive Reflex: A Human Body on One Breath
Submersion triggers an ancient reflex that slows the heart, redirects blood, and quietly reshapes what a trained freediver's body can survive underwater.
Sep 18, 2024
Loading
Search
Results
3 stories for“blood shift freediving”
Diving
Lung Squeeze: The Freediving Injury That Comes From Trying Too Hard
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
Diving
Shallow Water Blackout: The Mechanism That Kills Competent Freedivers
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
