Evidence-dense health optimization

Health Canon

Topic

Evidence Grading

Evidence Grading 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.

  1. Metabolic Health

    Seed Oils and Inflammation, Metabolism, and Cancer: Endpoint-by-Endpoint Grades

    Biomarker metas largely spare dietary n-6 as pro-inflammatory; lipids often improve with n-6; T2D observational signals sometimes favor LA; cancer data inconsistent—fry mutagens are a separate issue.

    MARCUS CHEN 4 MIN READ

  2. Nutrition

    Seed Oil Contested Claims: Adjudicating Inflammation, Toxicity, and Heart Disease

    Grade claims separately: industrial fryer abuse (fair concern), essential LA as poison (false), AHA replacement (guideline-supported), Cochrane hard-outcome caution (real). Avoid faction epistemology.

    JULIAN HART 4 MIN READ

  3. Men's Health

    Red Light Therapy for Men: Hair, Sports Recovery, Skin—and Hormone Hype Grades

    Best-supported male use cases: AGA hair LLLT (Grade A), sports muscle preconditioning (Grade B), cosmetic skin (smaller male fractions). Testosterone and fertility miracle claims: Grade D.

    SOFIA RAJAN 4 MIN READ

  4. Expert Dossiers

    Paul Saladino’s Seed-Oil Opposition: Evidence Adjudication

    Separate industrial frying abuse and UPF matrices from refined oil used in home cooking. AHA/Cochrane-class evidence does not support categorical seed-oil poison claims.

    JULIAN HART 4 MIN READ

  5. Expert Dossiers

    Paul Saladino Public Debates and Media Reception: How to Read the Coverage

    Profiles, podcasts, and diet wars amplify charisma. Separate documented protocol claims from culture-war framing and secondary misquotes.

    THE EDITORIAL DESK 4 MIN READ

  6. Expert Dossiers

    Paul Saladino vs Mainstream Nutrition Science: Where Claims Align and Clash

    Shared ground: cut UPFs, prioritize protein quality. Clash: plant exclusion, seed-oil absolutism, raw dairy, and universal optimality versus DASH/Mediterranean evidence.

    JULIAN HART 4 MIN READ

  7. Hormones & Genes

    MTHFR Variant Frequency by Population: Why “Positive” Is Common

    C677T and A1298C alleles are common globally with ancestry differences. Common ≠ rare disease. Frequency should lower panic, not sell protocols.

    MARCUS CHEN 4 MIN READ

  8. Hormones & Genes

    MTHFR in Functional Medicine vs ACMG Framing: Two Different Languages

    ACMG cautions against routine MTHFR SNP testing for common indications. Functional-medicine marketing often expands SNPs into multi-system narratives. Know which frame you are in.

    JULIAN HART 4 MIN READ

  9. Environmental Health

    Urinary Mycotoxin Tests: Evidence Grade for Indoor Mold Claims

    Commercial urine mycotoxin panels are poorly validated for diagnosing building-related illness. Diet, lab variability, and weak clinical utility undermine cleanse-driving results.

    ELENA VOSS 4 MIN READ

  10. Light & Recovery

    Finnish Sauna vs Infrared: Physics, Evidence Mapping, and Modality Conflation

    Finnish dry ~80–100°C carries hard-outcome cohorts. Consumer IR ~45–60°C must not inherit KIHD hazard ratios. Waon is a clinical far-IR protocol, not spa marketing.

    JULIAN HART 4 MIN READ

  11. 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.

    JULIAN HART 4 MIN READ

  12. 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.

    THE EDITORIAL DESK 4 MIN READ

  13. 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.

    SOFIA RAJAN 4 MIN READ

  14. Expert Dossiers

    Paul Saladino Commercial Conflicts: Heart & Soil, Products, and Disclosure Rules

    Organ capsules, protocol product bridges, luxury retail collabs, and raw-dairy culture create COI priors. Disclose always; COI does not auto-falsify every claim.

    JULIAN HART 4 MIN READ

  15. Expert Dossiers

    Paul Saladino: From Strict Carnivore to Animal-Based — Why Version-Stamping Matters

    Saladino's public arc moved vegan → carnivore → fruit-and-honey animal-based after self-reported ketosis side effects. Date-stamp every claim.

    JULIAN HART 4 MIN READ

  16. 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.

    MARCUS CHEN 4 MIN READ

  17. Women's Health

    Menstrual Cycle Training: Why Rigid Follicular/Luteal Periodization Is Premature

    Umbrella review: premature to claim short-term ovarian hormone swings appreciably change strength performance or RT adaptations. Prefer symptom autoregulation.

    SOFIA RAJAN 4 MIN READ

  18. 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.

    JULIAN HART 4 MIN READ

  19. Women's Health

    Jack Kruse Women’s Health Angles: Cycles, FHA Risk, and Two-Leptin Problem

    Female early signs may differ, but aggressive low-energy stacks risk functional hypothalamic amenorrhea. Low leptin in undernutrition is the opposite of obesity leptin resistance.

    JULIAN HART 4 MIN READ

  20. Expert Dossiers

    Jack Kruse Water Structure Claims: Queer Water and EZ Myths

    Bulk water anomalies are textbook chemistry. Pollack-style exclusion-zone health theories are contested. Clinical structured-water cures are unsupported.

    JULIAN HART 4 MIN READ

Frequently asked

About Evidence Grading

What is Evidence Grading?
Evidence Grading is a topic our editors cover across environmental health, metabolism, fitness, and recovery. This hub aggregates related guidance with citations.
How often is the Evidence Grading hub updated?
This hub updates when new articles are tagged Evidence Grading, so the latest coverage appears first.
Is Evidence Grading coverage medical advice?
No. Content is research synthesis for education. Personal medical decisions require a qualified clinician.