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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Have been interviewing CEOs and CTOs. They're surprised when I tell them the goal here is to build health with the same fever pitch intensity as seen in AI.

    Ultimately it's the same thing.

    Jul 31, 2025 206 8 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @AMAZlNGNATURE but it's so pale!

    Jul 31, 2025 31 1 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    My body screams at me after sitting for 45 minutes.

    Jul 30, 2025 1 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @ID_AA_Carmack I'd love to do this with my body

    Jul 30, 2025 6 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @BioProtocol we systematically plan out the tests weeks in advance and then determine best time and routine to ensure consistency of measurement

    Jul 30, 2025 4 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Your blood, stool, saliva, and urine reveal your life habits…

    In the last 24 hours, I measured:

    blood:
    + ADMA/SDMA
    + F2-isoprostane
    + Creatinine ratio
    + 8‑OHdG
    + Lipid peroxides
    + Antioxidant capacity
    + Omega‑3, omega‑6, omega‑9, saturated, trans fats
    + Delta‑6 desaturase

    Jul 30, 2025 88 4 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    I measured the following things about my body during the past 24 hours. A typical day.

    + basal temperature upon waking
    + my brain @KernelCo Flow (wearable fMRI-like helmet)
    + morning RMSSD and SDNN
    + sleep performance via wearable and bed
    + exercise performance (2 devices)
    +

    Jul 30, 2025 56 5 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Food dyes may be harming our kids

    Things like…
    + hyperactivity
    + loss of attention
    + gut inflammation
    + DNA damage
    + potential increased cancer risk

    Sadly, companies target kids. More than 1 in 4 foods sold to kids contain synthetic dyes. They also tend to have 141% more total

    Tweet media
    Jul 30, 2025 64 7 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @revenge_of_zin @brian_armstrong @byersblake @newlimit there's always tomorrow too think that through

    Jul 30, 2025 0 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    I am grumpy today.

    A new therapy I’m starting (IHHT) disrupted my sleep last night.

    Sleep loss makes your brain 60% more reactive to stress by disconnecting emotion (amygdala) from control (prefrontal cortex).

    Kinda makes you an asshole.

    Jul 29, 2025 213 6 View on X
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    © 2025 Bryan Johnson