Skip to content
POSTS
  • POSTS
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    Sources
    1..
    2.
    3.
    4..
    5.
    6.
    7.
    8.
    9.
    10. …

    Nov 18, 2024 872 14 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3.iv/
    A Chinese study concluded that low-to-moderate fluoride exposure was associated with weaker thyroid function and lower IQ in children (age: 7-13)

    Each 1mg/L increase in urinary fluoride correlated with 0.09ng/dL decrease in serum thyroide hornome and 0.11ng/dL increase in…

    Tweet media
    Nov 18, 2024 514 16 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3.v/

    Calcification of the pineal gland in the brain

    A post-mortem analysis of pineal glands from deceased aging humans showed high levels of fluoride deposition, with correlation between fluoride and calcium (calcification). Ref (17)

    A US cross-sectional study on NHANES data…

    Tweet media
    Nov 18, 2024 587 19 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3.ii/

    Osteosarcoma: rare bone cancer, common in childhood and adolescence

    Pre-clinical evidence from rats and mice suggests a link between fluoride in water and osteosacroma. Ref (8)

    Clinically
    We found only one study from India suggesting that tap water fluoridation…

    Tweet media
    Nov 18, 2024 557 11 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3.iii/

    A Indian study on 80 arthritis patients showed significant correlation between serum fluoride and knee-arthritis. Ref (12)

    A Chinese study (186 osteaorthritics patients and 186 healthy cohort) showed each 1mg/L increase in urinary fluoride correlated to 27% increased…

    Tweet media
    Nov 18, 2024 514 16 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3/ According to @RobertKennedyJr, exposure to fluoride can lead to:

    i. Dramatic IQ Loss in children/ exp. unborn fetuses
    ii. Bone cancer (Osteosarcoma)
    iii. Arthritis, deterioration of bones
    iv. Thyroide injury
    v. Calcification of the Pineal gland in the brain

    Here's a…

    Nov 18, 2024 749 24 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    3.i/

    IQ Loss in chidren especially with exposure in the womb
    Boys might be losing a couple IQ points in the womb; across the country

    A Canadian birth-cohort study showed boys born to mothers in areas with fluorinated water had lower average IQ at 3-4 years of age.

    Average 4.49…

    Tweet media
    Nov 18, 2024 863 38 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    1/ Fluoride to prevent tooth decay

    Water fluoridation began in the U.S. in 1945 and expanded widely in the 1960s to help prevent tooth decay, especially in children.

    The CDC considered water fluoridation among top 10 achivements in the 20th century. Ref (1)

    Tweet media
    Nov 18, 2024 750 24 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    2/ Standards, measurement and risks

    The current US standard for fluoride in drinking water is 0.7mg/L Ref (1).

    Earlier WHO report stated that 0.2% of US population is exposed to >2mg/L of fluoride in drinking water Ref (3)

    Recent report from the National Toxicology Program…

    Tweet media
    Nov 18, 2024 621 27 View on X
  • Bryan Johnson
    Bryan Johnson @bryan_johnson

    As part of MAHA, @RobertKennedyJr wants to eliminate fluoride from U.S. drinking water.

    Fluoride has been in US drinking water since the 1960s, mainly to prevent tooth decay.

    Is this a good or bad idea? Let's look at the science.

    🧵

    Nov 18, 2024 19358 1810 View on X
  • Posts navigation

    • «
    • 1
    • …
    • 398
    • 399
    • 400
    • 401
    • 402
    • …
    • 1,424
    • »
    © 2025 Bryan Johnson