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From thyroid cancer to 40‑hour fasts: Inside Daymond John’s obsession with biohacking and living longer

From thyroid cancer to 40‑hour fasts: Inside Daymond John’s obsession with biohacking and living longer

The Shark Tank star does cold plunges, red-light therapy, special experimental blood‑filtration treatments, and hyperbaric oxygen sessions to live longer.

March 8, 2026

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