Medical & Safety
The rules of diving exist because someone learned them the hard way. Here's the medicine behind the ones that matter most: equalising, ascent rates, narcosis, flying afterwards. Nothing here replaces a dive medical, but it will make the conversation with your doctor a better one.
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Why You Should Never Hold Your Breath While Scuba Diving
Holding your breath while ascending can rupture lung tissue in as little as a metre of depth change. Here's the physics behind pulmonary barotrauma and why the oldest rule in diving still matters most.
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