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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Don’t choke your partner during sex.

    A study tested 32 college-aged women: half had been choked during sex 4+ times in the past month, the other half hadn’t.

    Women who were frequently choked had significantly higher levels of S100B (brain injury marker, p = .002). This marker

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    Jul 8, 2025 345 21 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @TranquilChaos the goal is to test all the cat and dog foods in the U.S. so that we know

    Jul 8, 2025 0 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @charliewrich can't I just have one thing?

    Jul 8, 2025 1 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3/ Cleanest product:
    Purina Friskies Surfin’ & Turfin’ (cat) had non-detectable glyphosate, and the second lowest total heavy metals.

    Jul 8, 2025 3 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    4/ Check out Blueprint Quantified dot com for all results.

    The ultimate goal of Blueprint Quantified: detox the US “foodome” and test the foods that constitute 80% of the American diet.

    Let us know what to test next.

    Jul 8, 2025 4 1 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    1/ Is your pet food listed on this leaderboard? If not, get it tested today.

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    Jul 8, 2025 3 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    2/ Heavy metals:
    Mercury, lead, arsenic, and cadmium were detected in every sample.

    Products with the highest heavy metal toxicity:
    + Wellness CORE+ Original (dog): 43.4 µg/serving
    + Nutro Natural Choice Small Breed (dog): 42.6 µg/serving
    + Blue Buffalo Homestyle Senior (dog,

    Jul 8, 2025 3 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    We lab tested 22 cat and dog foods.
    22 out of 22 had heavy metals.
    21 out of 22 had glyphosate (weed killer).
    8 products hit the upper detection limit of 1,000 ppm.
    Equal to max tolerable exposure for a 68 kg human.
    All linked to chronic disease.

    What’s in your pet’s food?

    Jul 8, 2025 32 3 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    0/ Here’s what the lab results showed:

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    Jul 8, 2025 3 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Don’t eat right before bed.

    Late-night eating spikes nighttime glucose and insulin, elevates your heart rate and core temperature and disrupts your deep sleep. One study showed even a small pre-bed snack can reduce slow-wave sleep by up to 27%.

    Source: Crispim et al., 2011

    Jul 8, 2025 150 7 View on X
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