Topic
Public Health
Public Health is a recurring research topic on Health Canon. This hub collects related explainers and protocols, newest first, each with evidence grades and practical decision frameworks.
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Environmental Health
U.S. Endemic Parasites and CDC’s Five NPIs
Pinworm, Giardia, Crypto, Toxoplasma, and trichomoniasis are everyday U.S. realities. CDC’s neglected parasitic infections: Chagas, cysticercosis, toxocariasis, toxoplasmosis, trichomoniasis.
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Environmental Health
U.S. Fluoride Policy Levels: 0.7, 1.5, 2.0, and 4.0 mg/L Explained
PHS optimal 0.7 mg/L fluoridation, WHO 1.5, EPA SMCL 2.0, and MCL 4.0 are different numbers for different jobs—confusing them is the main debate error.
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Environmental Health
Community Water Fluoridation Cost-Effectiveness and ROI
CDC-cited analyses report roughly $20 saved per $1 invested and large per-person annual savings when lifetime restoration costs are counted—economics layered on equity.
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Environmental Health
Fluoride Caries Prevention: Percent Reduction and Absolute Tooth Counts
CDC’s ~25% tooth-decay reduction framing, Community Guide absolute tooth counts, and NHMRC-linked ranges—with modern toothpaste context that shrinks incremental effects.
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Environmental Health
EMF Personal Decisions and Risk Communication Guide
Band → exposure tier → evidence grade → low-cost habits first. Measure rare high-µT homes; do not let EMF anxiety crowd out sleep, smoking, radon, and road risk.
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Environmental Health
Asymptomatic Parasite Carriage: When Treatment Is—and Isn’t—Indicated
Positive tests without symptoms are not automatic drug prescriptions. Species, immune status, transmission risk, and pregnancy change treat-vs-observe decisions.
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Nutrition
Food Security, Seasonality, and Access: When Local Rules Harm Nutrition
Life-stage nutrient security and household food security outrank 100-mile aesthetics. Seasonal access gaps need fortified staples, frozen produce, and safety—not scarcity romanticism.
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Environmental Health
CDC Neglected Parasitic Infections (NPIs): The U.S. Framework Explained
CDC prioritizes five NPIs in the United States—Chagas, cysticercosis, toxocariasis, toxoplasmosis, and trichomoniasis—for burden, severity, and preventability—not internet “mystery parasite” lists.
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Environmental Health
U.S. Endemic Parasites and Neglected Parasitic Infections (NPIs)
America is not parasite-free. Pinworm, waterborne protozoa, Toxoplasma, trichomoniasis, babesiosis, and five CDC NPIs define the domestic map.
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Environmental Health
Microplastics Policy: EU REACH, US Microbeads, WHO, and EFSA
Intentional microplastic bans moved first. Secondary tire, textile, and packaging fragments still dominate loads—and no global health-based particle limit exists yet.
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Environmental Health
Soil-Transmitted Helminths: Global Burden and MDA Reality
1.5 billion infected. Intensity drives morbidity. WASH plus deworming—not cleanses—move the needle.
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Environmental Health
How Much Does Water Fluoridation Reduce Cavities?
CDC cites about 25% less tooth decay with community water fluoridation. Community Guide strong recommendations and adult benefits complete the effect-size picture.
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Environmental Health
Community Water Fluoridation at 0.7 mg/L: Evidence, Policy, and Dose Context
CDC’s recommended 0.7 mg/L target, ~25% caries reduction framing, EPA’s 4.0 mg/L MCL vs 2.0 mg/L SMCL, and how to think about total intake.
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