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

Daymond John has amassed an estimated $350 million fortune, invested in dozens of companies on Shark Tank, written five best-selling books, and helmed his own fashion brand, FUBU, by hustling harder than the next person.  But these days, John is just as focused on outliving h...

🔗 Read more: https://fortune.com/2026/03/08/daymond-john-thyroid-cancer-to-biohacking-cold-plunges-hyperbaric-oxygen-red-light-therapy-fasting/

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