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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3/ Volatile organic compounds (VOCs) metabolites

    As the name implies, these are common toxins in the fumes of burning organic materials, including wildfires. Dioxins, polycyclic aromatic carbons PACs, benzene, and xylene are common examples. Most of these compounds cause…

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    Feb 28, 2025 62 1 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    0/ I suppose if there was one person in LA who was routinely measuring their toxin levels when the fires broke out, it would be me.

    My urinary toxins panel taken at the height of the LA wildfires on January 28th, 2025 showed 9 acutely increased metabolite toxins (4 of which…

    Feb 28, 2025 214 6 View on X
  • 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. 🧵

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    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…

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    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
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