Gabriel comments on "Spiritual" techniques that actually work thread - Less Wrong

7 [deleted] 11 March 2015 10:35AM

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Comment author: [deleted] 11 March 2015 04:24:24PM 1 point [-]

Yes, I learned that from no-equipment divers. With this simple trick people can look around down there with just a mask and fin. They claim with practice the mental effect disappears.

Comment author: Gabriel 12 March 2015 05:24:05PM 2 points [-]

Don't hyperventilate before diving (or at all, really). It doesn't oxygenate blood more than ordinary breathing but it does confuse the breathing reflex allowing you to overextend yourself and possibly drown.