Topic
Pregnancy
Pregnancy 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.
-
Hormones & Genes
Folate vs Folic Acid and MTHFR: What the Evidence Actually Supports
Folic acid prevents neural-tube defects. Methylfolate marketing is not a free rewrite of CDC guidance.
-
Women's Health
Sauna in Pregnancy and Infrared vs Finnish Heat: Risk Distinctions
Core temperature—not brand marketing—drives pregnancy caution. Finnish and infrared are not interchangeable evidence bases.
-
Women's Health
Sauna and Pregnancy: Core Heat, Neural Tube Defect Risk, and Guidance
Maternal hyperthermia in early pregnancy associates with NTD risk; obstetric guidance commonly discourages sauna and hot tub—core temp matters, not IR marketing.
-
Women's Health
PFAS in Pregnancy and Lactation: BP Monitoring, Milk Transfer, and Guidance
C8 PIH probable link; ATSDR BP vigilance; most should continue breastfeeding—formula water must be PFAS-controlled.
-
Nutrition
Organic Food, Cadmium, and Pregnancy: What to Prioritize
Organic lowers many synthetic pesticide residues. Heavy metals are a different ledger—and pregnancy changes the stakes.
-
Men's Health
Microplastics in Semen and Placenta: What Detection Studies Show
Semen and testis detections with motility signals; Ragusa placental particles; Chartres “suspected” reproductive harm—not proven monocausality.
-
Women's Health
Fragrance Personal Care and Women’s MEP Exposure: Perfume, Swaps, Pregnancy
Perfume users ~2.3× urinary MEP; HERMOSA product swap −27% MEP in 3 days—women’s leave-on PCP patterns drive exposure disparity.
-
Women's Health
Fluoride in Pregnancy and Child Neurodevelopment: The Evidence Debate
NTP moderate confidence: higher fluoride ↔ lower child IQ (spotlight often >1.5 mg/L); CWF at 0.7 mg/L remains contested—dose and biomarkers matter.
-
Women's Health
Women's Strength Training & RED-S: Progressive RT, Fueling & Life Stages
Evidence-based women's strength training — relative loading equality, pelvic floor, LEA/RED-S red flags, pregnancy activity (ACOG-class), menopause progressive RT, and why cycle-phase periodization is not default science.
-
Hormones & Genes
ACMG MTHFR Testing Guidance: Why Routine SNP Orders Are Discouraged
ACMG: do not order MTHFR polymorphism testing for thrombophilia or recurrent pregnancy loss. Fortification-era evidence dismantled the old causal chain.
Frequently asked