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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    1/ Almost all the elevated toxic metabolites come from exposure to the fumes of burning plastics and synthetics from homes, rather than burning trees in the wildfire itself.

    The acutely elevated toxic metabolites in my urine sample from January 28th, 2025 can be categorized in…

    Feb 28, 2025 119 2 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    The LA fires filled my body with harmful toxins.

    One toxic chemical, NAPR, an organic solvent used in metal cleaning, foam gluing, and dry cleaning, increased by 728%.

    If you were exposed too, here is what you can do. 🧵

    Tweet media
    Feb 28, 2025 2774 193 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @anothercohen Testosterone levels naturally decline ~1% per year after age 30-40 however many men over 40, including myself, naturally maintain healthy levels of testosterone via strength training, cardio, sleep, and nutrition.

    Feb 28, 2025 1618 22 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    The Kardashians and @hubermanlab came over for dinner.

    We discussed if we may be the first generation to not die. @KimKardashian was down. @khloekardashian wasn't sold. On @hulu tonight.

    Feb 27, 2025 1379 39 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    The Kardashians and @hubermanlab came over dinner.

    We discussed if we may be the first generation to not die. @KimKardashian was down. @khloekardashian wasn't sold. On @hulu tonight.

    Feb 27, 2025 87 4 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @hubermanlab @KimKardashian @hulu Andrew was great hanging with you

    Feb 27, 2025 1052 8 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Copper-containing small particles (PM2.5) from car brake-pads are even worse to lung cells than similar particles released by diesel engines.

    Published last week, a study found that small particles released from the wear of copper-containing brake pads were more damaging to…

    Tweet media
    Feb 27, 2025 918 84 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @growing_daniel Begin with baseline measurements of oral health to identify areas of focus:

    1) measure pocket depth w/ a probe (healthy: ≤3mm)
    2) check attachment loss (gum recession + pocket depth)
    3) assess plaque index for oral hygiene status

    Feb 27, 2025 289 6 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Just five min of daily exercise reduces dementia risk by 41%

    New study: 35 minutes a week of exercise reduced dementia risk by 41%, more activity further reduces the risk.

    0/ A new study with 89,667 participants (mean age=63 years, 56% women) showed that physical exercise…

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    Feb 27, 2025 2620 262 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @AravSrinivas @AskPerplexity @i_pranavvvvv There is a lot of evidence that 7 hours is ideal. The overwhelming amount of sleep epidemiological research shows a U- or J-shaped curve with sleep and lifespan, with the sweet spot being consistently 7-hours of sleep.

    Too little sleep equates to a 35% increase in all cause…

    Feb 27, 2025 92 2 View on X
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