Topic
Nutrition
Nutrition 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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Nutrition
Smoke Points vs Oxidative Stability: Choosing Oils for Heat
Smoke point is a weak health ranking tool. Oxidative stability, unsaturation, antioxidants, and duty cycle better predict frying performance—high-oleic often wins.
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Nutrition
Seed Oil Reduction Strategies: Smart Substitutions Without Nutrition Harm
Highest yield: cut multi-cycle deep frying and ultra-processed fried foods. Swap culinary oils by duty cycle—and keep whole-food nuts and seeds.
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Nutrition
Seed Oils, Linoleic Acid Biomarkers, and Mendelian Randomization
Higher circulating linoleic acid associates with lower cardiovascular risk in major pooling studies—conflicting with some heated-oil narratives. MR is not a supermarket policy engine.
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Nutrition
Seasonal Eating Romanticism vs Evidence: Critiques That Keep the Good Parts
Keep produce variety, cooking, and low UPF. Drop ancestral purity, anti-global efficiency myths, and health claims that outrun data.
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Nutrition
Regional Traditional Diets and Longevity: Nordic Trials vs Blue Zones Mystique
Healthy Nordic RCTs improve cardiometabolic markers. Shared plant-forward features grade higher than locality magic. Blue Zones are hypothesis generators, not protocols.
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Nutrition
Polyphenols and Harvest Timing: Ripeness Chemistry Without Clinical Overclaim
Anthocyanins and phenolics track ripeness, UV, water stress, and cultivar. Peak density ≠ proven independent disease prevention. Patterns beat polyphenol calendars.
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Nutrition
Animal-Based Micronutrients: Adequacy Wins, Toxicity Ceilings, and Electrolytes
Meat covers B12/zinc/heme iron well; strict carnivore risks C/Mg/K/iodine gaps. Organs fix gaps and create retinol/iron/copper excess risk. Fruit upgrades C.
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Expert Dossiers
Paul Saladino Human Evidence: Surveys, Trials Gap, and What Lennerz Actually Is
Human evidence for carnivore/animal-based is mostly self-selected surveys and anecdotes—not hard-outcome RCTs. Never call Lennerz a Harvard clinical trial.
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Expert Dossiers
Animal-Based and Carnivore Contraindications: Who Should Not Follow Influencer Protocols
Highest concern: FH/ASCVD, pregnancy/infants, immunocompromise, CKD, gout, hemochromatosis, active eating disorders. List stop rules—not just macros.
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Nutrition
Paul Saladino Animal-Based Macros: Protein, Fat, Fruit Carbs, and Liver Dosing
Site calculator norms: ~1.0–1.2 g protein per lb goal weight, activity-scaled fruit/honey carbs, liver ~2–3 oz/week. Elimination diet—not medical nutrition therapy.
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Nutrition
Organic Produce Priority Decision Framework
Budget rules, sex and life-stage axes, and when conventional produce still wins.
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Nutrition
Organic Produce Phenolics and Antioxidants: Evidence Check
Secondary metabolites can differ—effect sizes, relevance, and hype boundaries.
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Nutrition
Organic Food, Heavy Metals, and Mycotoxins: Separate Ledgers
Why the organic seal is not a heavy-metal force field—and how mycotoxins fit.
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Nutrition
Organic Food and Cancer Risk: Epidemiology Explained
Cohort signals, residual confounding, and what residue pathways can and cannot prove.
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Nutrition
Organic Food, Allergy, and Immune Outcomes: Evidence Map
Atopy hypotheses, farm exposures, pesticide immune literature—and what remains unproven.
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Nutrition
One-Carbon Nutrition Actions Graded by Evidence
What to do for folate status without an MTHFR test—A through D action list.
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Nutrition
Seasonal Vitamins and Minerals in Produce: Real Swings, Modest Clinical Stakes
Composition varies by season, cultivar, maturity, and storage—e.g., spinach vitamin C more than 2× across seasons in Phillips 2018. Total produce frequency still dominates health.
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Nutrition
Methylation Supplement Industry Claims: An Evidence Audit
Pathway diagrams versus outcome trials—what methylation stacks can and cannot claim.
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Nutrition
Local Eating Health Claims: What Is Proven vs Postal-Code Therapy
No RCTs show “buying local” per se prevents CVD/cancer. Benefits run through diet quality, produce intake, and behavior—not zip codes. Grade local seal as clinical therapy: D.
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Women's Health
Folic Acid for Neural Tube Defect Prevention: Guideline Doses
USPSTF Grade A 400–800 mcg, CDC 400 mcg and 4 mg recurrence rules, and why form matters.
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