Myths vs facts: ADH1B and Wechseljahre

The question of myths vs facts regarding ADH1B and menopause (Wechseljahre) lacks strong scientific evidence. ADH1B encodes an alcohol dehydrogenase; certain variants (e.g., rs1229984) alter ethanol metabolism and tolerance. A common myth is that women with a fast-metabolizing ADH1B variant experience more severe hot flashes or sleep disruption during menopause because alcohol affects vascular regulation. The fact is: alcohol can indeed exacerbate vasomotor symptoms, but the genetic contribution is small and not menopause-specific. No direct gene–menopause interaction has been validated in large studies. Evidence is unclear – consumer DNA tests claiming such links are speculative. Lifestyle factors (alcohol intake, stress, diet) dominate menopausal symptom variability. Therefore, focusing on ADH1B for menopause management is not evidence-based.