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  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @XSherv sample collection protocol is:
    + ejaculate into the cardboard container
    + stir ejaculate for 5 seconds with metal spoon
    + spoon specimen onto three of the five spots

    Jul 23, 2025 1 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    I reduced microplastics in my blood by 93%.

    However, compared to my blood, my ejaculate has 239% the amount of microplastics.

    Today, I completed a follow up ejaculate sample collection to see if levels have gone down similar to my blood. Or, if they're more stubbornly stored.

    Tweet media
    Jul 23, 2025 38 3 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3/ Ice returned and recovery initiated

    Following 7 Sessions with icing reapplied

    + Total motile count ↑ 35% (30% recovery)
    + Motility ↑ 30% (23% recovery)
    + Normal morphology unchanged (0% recovery)

    Compared to levels following 15 sessions with no icing (recovery calculated

    Jul 23, 2025 2 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    4/ I am measuring again in 2 weeks and report on continued recovery

    I expect my motile count and motility to continue recovering over the next 2-4 weeks and back to the previous peak achieved following 27 sessions. This is based on:
    + Relative recovery already achieved in 1

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    Jul 23, 2025 8 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    5/ Men out there, definitely ice your balls when you go into sauna

    Here is my icing protocol
    + ice the boys during sauna
    + use a non-toxic, reusable ice pack material
    + I wear cotton boxers and shorts
    + place ice packs in-between boxers/shorts
    + keep in place for the entire

    Jul 23, 2025 16 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    0/ The testicles are located “outside” the body in the scrotum specifically to maintain a temperature 2-4 °C below core body temperature, essential for optimal sperm production and storage (in the epididymis) .

    Heat is known to multiple steps of spermatogenesis by disrupting the

    Jul 23, 2025 3 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    My results starkly confirm this

    1/ Beyond protecting my sperm, icing with sauna boosted all my sperm markers.

    27 daily sauna sessions with ice on balls
    + total motile count ↑ 57%
    + concentration ↑ 26%
    + motility ↑ 16%,
    + normal morphology ↑ 15%

    This is likely due to

    Jul 23, 2025 3 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    2/ The effect is real, the boys suffered with no ice

    15 sauna sessions with full heat on balls
    + total motile count ↓ 54%
    + motility ↓ 57%
    + normal morphology ↓ 55%

    Compared to the levels following sauna with ice protection

    Jul 23, 2025 2 0 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Icing your boys in the sauna is a good idea.

    Experiment #1:
    + sauna icing the boys improved fertility markers

    Experiment #2:
    + no ice devastated fertility markers

    Experiment #3:
    + icing again is healing the harm

    My results explained and what to do🧵

    Tweet media
    Jul 23, 2025 65 1 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    @AutismCapital bluetooth radiation is on our list to research

    Jul 23, 2025 158 3 View on X
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