Bryan Johnson, a millionaire biohacker, spends $4 million annually on anti-aging treatments and believes he can sustain a nocturnal erection for over two hours. Currently, there’s more than $22,000 in wagers on a prediction market regarding the duration of his nighttime erections. The challenge will be measured during the last week of December 2024, with results anticipated by January 15, 2025. Johnson has a history of such bets, including a previous wager related to sperm count. He claims his best performance to date reached 2 hours and 59 minutes, aided by shockwave therapy and Botox treatments. However, he acknowledges these effects can wane over time, adding uncertainty for bettors. Around 67% of wagerers are optimistic about his chances, reflecting confidence in Johnson's rigorous health regimens, which include 100 daily supplements and meticulous monitoring of various health metrics. Johnson's extreme measures have even attracted documentary interest from Netflix, which plans to showcase his quest for longevity next year.

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