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Weekly · Sunday Morning

Five longevity claims.
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Rapamycin extends mouse lifespan 9–14%
NAD+ precursors reverse aging in humans
Blue-light glasses improve sleep quality
Walking 10 min after meals blunts glucose
Verdict change — caffeine half-life downgraded

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What is fluoride really? — Whalespan

Content›Video›What is fluoride really?…

What is fluoride really?

Paul Saladino8m · 2024-03-20

Claims Made

15

Claims Supported

8

Support Rate

53%

Support rate

8 of 15 claims supported

8 supported7 partial / not

Claims from this content

12

✓Well SupportedHigher prenatal and childhood exposures to fluoride have been consistently linked with lower IQs.✓Well SupportedReverse osmosis filtration effectively removes fluoride, arsenic, heavy metals, and most organic contaminants, producing very pure water.◐Partially SupportedChlorine can be absorbed transdermally through the skin in 60-90 seconds when hands are immersed in tap water.✕Not SupportedFluoride should be permanently removed from our lives due to its cumulative toxicity.Partially Supported

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A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

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N. Park

2d

Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

◐

Drinking 6-8 glasses of tap water per day can lead to a fluoride concentration four times higher than in a pea-sized amount of toothpaste.

◐Partially SupportedFluoride and other neurotoxins can have significant detrimental effects during fetal and adolescent neurodevelopment.

◐Partially SupportedCumulative dosage, rather than single doses, often determines toxicity, as seen with mercury and fluoride.

◐Partially SupportedA four-stage RO water filter with added mineral salts can reduce the toxic load from contaminants like chlorine, fluoride, microplastics, and trace pharmaceuticals.

◐Partially SupportedBrita and Berkey water filters are ineffective at removing fluoride.

✕Not SupportedFluoride may prevent tooth decay by forming a nanoparticulate layer over the tooth.

◐Partially SupportedToothpaste containing fluoride requires warning labels regarding ingestion of more than a pea-sized amount.

◐Partially SupportedFluoride is a neurotoxin.