Underwater Hypoxic Blackout Prevention

Underwater Hypoxic Blackout Prevention (UHBP), formerly known as Shallow Water Blackout Prevention (SWBP), is an American nonprofit organization headquartered in Norcross, Georgia. Its mission is to prevent drowning deaths caused by underwater hypoxic blackout — a sudden, silent loss of consciousness underwater caused by oxygen deprivation resulting from prolonged breath-holding — through public education, awareness campaigns, professional training, and institutional partnerships.

Source: Wikipedia — Underwater Hypoxic Blackout Prevention (CC BY-SA 4.0)