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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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".

Read moreabout Decompression Sickness and Decompression Illness: How Bottom Time and Nitrogen Supersaturation Cause the Bends