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2 stories for“shallow water blackout spearfishing”

Spearfishing and Freediving: The Overlap and the Added Risk

Spearfishing shares its breath hold physiology with freediving, but a hunting mindset changes the risk calculation entirely, and blackout remains the top cause of death.

Apr 8, 2026

Diving

Breath-Hold Training on Land: What Evidence Actually Supports

CO2 tables build genuine breath hold tolerance over weeks. Hyperventilating beforehand does the opposite of what beginners think it does, and it has killed trained divers.

Sep 2, 2025