LUCAS HEDENBÄCKFounder at Superhuman Protocol

Average Swedish Viking❄️

12 Jan 2026 · 1 min

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0:45

Lucas Wilhelm Hedenbäck argues cold exposure, not sunlight, is what your body needs in winter. He claims humans can synthesize vitamin D3 and generate light inside mitochondria, making the sun unnecessary. Cold exposure is the real path to resilience.

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