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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Best things you can do for health.

    Decide:
    + when to sleep
    + when to exercise
    + what to eat

    Routine does the heavy lifting.

    Apr 19, 2026 246 15 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    I've done ketamine.
    I've done psilocybin.
    I've done 5-MeO-DMT.

    I measured my brain before and after all of them.

    Now UC Davis swapped two atoms in LSD and got 46% dendritic spine regrowth and 18% synapse formation. Without the trip.

    100x more potent than ketamine as an

    Tweet media
    Apr 19, 2026 26 5 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    I got C-holed.

    Suffered sleep consequences.
    I busted my screens-off rule.
    Turned down socializing.
    Fell behind on work.
    Kate is now upset.

    AI is preposterous. As close to magic as I’ve experienced (except a seed becoming a tree and a zygote becoming a baby).

    It started on

    Apr 19, 2026 38 2 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    To predict the next dominant societal philosophy, just measure the depth of the technological disruption preceding it. Every major shift breaks something and then ideology rushes in to patch what was lost.

    For example, the printing press broke the Church's monopoly on truth and

    Apr 19, 2026 29 1 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    I used to believe the person experiencing the craving should be the one deciding whether to act on it. That's kinda like letting a drowning person design the rescue plan.

    Apr 18, 2026 90 3 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Two weeks without mobile internet improved mental health more than antidepressants and reversed roughly 10 years of attentional decline.

    Screen time dropped 49% (314 to 161 min/day).

    Tweet media
    Apr 18, 2026 141 11 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Pregnancy is severely underappreciated in our society. Most women don't get the guidance they need from doctors. Self experimentation gives the power back.

    Apr 17, 2026 85 2 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    I'm in a bad mood right now because I didn't get to exercise this morning. I had a bunch of stuff done to my face yesterday and had to take the day off.

    I become an entirely different person without exercise. I don't like this guy much.

    Apr 17, 2026 193 6 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    No sex with Kate.
    5 day abstinence.
    For an experiment.
    Goodnight everyone.

    Apr 17, 2026 8421 155 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Most people might miss the biggest benefit of sauna

    You need to get really really hot…

    Your core body temperature needs to hit 102.4°F (39°C).

    For reference, a fever is anything above 100.4°F (38°C)

    So I swallowed a temperature monitoring pill. It goes through your digestive

    Tweet media
    Apr 16, 2026 4388 194 View on X
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