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Life Underwater: 90 Days Without Sun

What happens to the human body and mind when you spend months underwater in a nuclear submarine? This episode explores the hidden toll of submarine duty — from circadian rhythm collapse and vitamin D depletion to the psychological weight of total isolation. We break down how navies like the US, UK, and Israel manage crew endurance, why sleep is the first casualty, and how shared suffering becomes a deliberate tool for building resilience. If you've ever wondered what it's actually like to live in a steel tube 400 feet underwater for 90 days, this one's for you. Episode 3114 —…

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