Interactive dose-response mapping, biological carcinogenesis pathways, and population attributable fraction (PAF) modeling across primary IARC Group 1 sites.
Relative Risk (RR = 1.0 represents baseline unexposed population risk)
Calculated Relative Risks (RR) and estimated US Population Attributable Fractions (PAF) based on current intake settings.
| Anatomical Site | Relative Risk (RR) | Excess % | US Est. PAF | Primary Biological Driver |
|---|
Primary metabolite of ethanol inhibits DNA synthesis/repair and forms carcinogenic DNA adducts, particularly potent in upper aerodigestive tract mucosa and ALDH2-deficient genotypes.
Ethanol impairs hepatic estrogen clearance and stimulates aromatase transcription, raising circulating estradiol and promoting estrogen receptor-positive (ER+) breast epithelial hyperplasia.
Chronic exposure upregulates cytochrome P450 2E1, generating high flux of reactive oxygen species (ROS), causing mitochondrial lipid peroxidation and hepatic stellate fibrogenesis.
Alcohol functions as a topical solvent for tobacco carcinogens, while intestinal malabsorption depletes folate (vitamin B9), altering S-adenosylmethionine (SAM) DNA methylation in colorectal crypts.