Why Does Repetitive Diving Increase Blackout Risk?
The Question
Why can multiple “easy” dives become dangerous over time?
Short Answer
Because oxygen debt accumulates while perceived effort remains low.
Deeper Explanation
Discuss: - incomplete recovery - altered chemoreceptor response - fatigue masking hypoxia
What This Means for Freedivers
- Rest intervals matter more than depth
- Group diving increases hidden risk
- “Feeling fine” is misleading