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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- 5 min read
Flying After Diving: Why You Have to Wait, and How Long
Flying too soon after diving can trigger DCS just like too fast an ascent. Here's where the 12/18/24-hour guidelines actually come from, and why they're minimums, not targets.
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- 6 min read
Decompression Sickness and Decompression Illness: How Bottom Time and Nitrogen Supersaturation Cause the Bends
The bends happen when nitrogen dissolved in your tissues forms bubbles on ascent. Here's how supersaturation works, what exceeding bottom time actually risks, and why some hits are "undeserved".