Send us a textHow long can you hold your breath? “90% of the blackouts happen near the surface at the very end of the dive.” In short, we talk about this in the episode: How dangerous is freediving really? Step by step, what happens during a vertical freedive? What surprising reflexes help humans survive longer underwater? Who was Stephen Keenan to Lily and what happened on July 22nd, 2017? In more words: Imagine walking 120 meters (131 yards) on one brea...