LONGEVITY with Nathalie Niddam#420: Spermidine UNLOCKED: Reverse Aging, Boost Immunity & Thrive After 40 With Leslie Kenny

Why Stress Turns Hair Gray

30:17–31:31 · 74s

A crisp biochemical walk-through: adrenaline, antioxidant capacity, hydrogen peroxide, and how the body chooses heart safety over hair color.

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