Section
Environmental Health
Dose-aware exposure science for modern life — citations first, slogans last.
Environmental health is the science of what gets into your body from air, water, food packaging, personal care, and buildings — and what that dose actually means. This section covers PFAS and forever chemicals, microplastics, endocrine-disrupting fragrances, mold and dampness, non-ionizing EMF, fluoride policy levels, hormones in drinking water, and water filtration including reverse osmosis. Every guide dual-sources contested claims, keeps units honest (ppt vs ppm, µT vs SAR), and separates ecological signals from human clinical risk when the dose bridge fails.
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Environmental Health
Visual Moisture Assessment: When Mold Sampling Is Unnecessary
See or smell mold? Fix water. CDC does not recommend routine home mold testing.
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Environmental Health
UV Water Disinfection vs Distillation: What Each Removes
NSF/ANSI 55 UV kills microbes; it does not strip PFAS or lead. Distillation is different chemistry.
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Environmental Health
Travel Parasite Infections: Prevention Before Cleanse Culture
Malaria prophylaxis, food-water hygiene, and post-travel testing beat deworming theater.
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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
Parasite Overdiagnosis: When Not to Empiric-Treat
Most bloating is not occult helminthiasis. Test when pretest probability is real.
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Environmental Health
Parasite Diagnosis: O&P, Antigen, PCR, and Serology
Method must match the organism. One routine O&P does not rule out Crypto or pinworm.
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Environmental Health
Mycotoxins: Food Dose vs Home Inhalation Dose Gap
Codex food limits are real. Residential air mycotoxicosis is a weaker, different claim.
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Environmental Health
Damp Buildings: Agents Beyond Mycotoxins
Spores, fragments, β-glucans, endotoxins, MVOCs—and moisture chemistry—drive risk mixtures.
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Environmental Health
ERMI, Air Cultures, and the Mold Testing Debate
ERMI is a research moldiness index—not a medical diagnosis. CDC still says fix moisture first.
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Environmental Health
Chlorine, Chloramine, Hardness, and Nitrates in Home Water
EPA MRDLs and MCLs set the numbers. Carbon, catalytic carbon, softeners, and RO do different jobs.
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Environmental Health
Antiparasitic Drug Classes: What Actually Treats What
Benzimidazoles, nitroimidazoles, ivermectin, praziquantel—organism first, drug second.
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Environmental Health
The Water Contaminants Worth Testing For (2026)
Priority water analytes by risk context: lead, arsenic, nitrate, PFAS, bacteria on wells, disinfection byproducts—test before you filter-shop.
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Environmental Health
Cutting Your PFAS Exposure: The Steps (2026)
Dose-ranked PFAS exposure cuts: test water and match filters, reduce grease packaging, manage dust, skip unneeded stain-repellents—without detox theater.
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Environmental Health
Mold Remediation Priorities That Matter (2026)
Moisture-first mold priorities: stop water, dry fast, remove damaged porous materials, protect occupants—bleach theater and fogging ranked last.
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Environmental Health
Practical EMF-Reduction Habits (2026)
Practical RF and ELF habits ranked by physics realism: distance, night transmitters off, wired when easy—without Faraday-fear product theater.
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Environmental Health
Whole-House vs Point-of-Use Water Filters: How to Choose
POE treats every tap; POU treats what you drink. Hybrid designs—sediment/carbon or softener at the main, RO at the kitchen—match real contaminant ladders.
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Environmental Health
PFAS Half-Lives Explained: Why Serum Body Burden Takes Years
Long-chain PFAS clear over years—not hours—because of protein binding and kidney reabsorption. Half-life ranges, Ronneby data, and what “forever” actually means.
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Environmental Health
EFSA PFAS TWI Explained: 4.4 ng/kg Body Weight per Week
Europe’s food-risk number is an intake limit—not a water ppt MCL. How EFSA derived 4.4 ng/kg/week for four PFAS and how not to mix units with EPA rules.
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Environmental Health
C8 Science Panel Probable Links: What Mid-Ohio Valley PFOA Taught Us
The C8 panel’s six probable-link disease categories still structure how clinicians and courts talk about high PFOA water exposure—kidney and testicular cancers included.
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Environmental Health
Stachybotrys “Black Mold”: What the Evidence Actually Supports
Stachybotrys chartarum signals chronic moisture on cellulose materials. Toxic black mold media narratives overshoot mainstream dampness science—fix water first, not genus panic.
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