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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Don’t wait until old age to lose brain volume. Your cortex and hippocampus begin shrinking in your 30s, and it speeds up each decade. Poor sleep, stress, inactivity, and processed food accelerate the loss.

    People with faster brain shrinkage show worse memory, slower reaction

    Jul 11, 2025 423 30 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @oliversgriff seems things around sleep culture have been changing fast in the past year, hoping it leads to greater sanity in how we figure out this complex future

    Jul 11, 2025 6 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @chasedownleads thanks, was really arousing for me

    Jul 11, 2025 14 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @creatine_cycle thanks atlas hoping you're firm and upright 🫡

    Jul 11, 2025 8 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @AshleyDCan thanks ashley, you too have boners. Women experience clitoral tumescence during REM sleep and wake up with a “morning bean”

    Jul 11, 2025 14 1 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @haroonchoudery Haroon great hanging with you and so happy for you that you found out early, got it address and can now build with a wide open frontier

    Jul 11, 2025 4 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @growing_daniel printed out and taped on the wall

    Jul 11, 2025 13 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @ShaanVP thanks shaan worked HARD for it

    Jul 11, 2025 33 1 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @palis Nighttime erections (NTEs) reveal your whole body health. Representing sleep, testosterone, and endothelial function. Men (and women) without robust NTEs have a 30-70 % higher risk of cardiovascular events and all-cause mortality.

    Jul 11, 2025 3 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @AutismCapital challenge accepted

    Jul 11, 2025 34 0 View on X
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    © 2025 Bryan Johnson