Question 190 of 433
What causes a hot flash, and how long do they last?
The short answer
Falling estrogen disturbs the brain’s thermostat, so the body suddenly acts as if it were overheating. On average, hot flashes last about seven years, and for some women more than ten.
Scientists have identified the specific nerve cells in the hypothalamus that misfire. That discovery led directly to new non-hormonal medicines that calm them. About three out of four women have hot flashes, and for roughly one in four they are severe enough to disrupt work and sleep.
“This book is for education. It is not medical advice, and reading it does not make you my patient or create a doctor-patient relationship.” From the book’s medical disclaimer. Full disclaimer
MECHANISTIC / HUMAN STUDIES — Vasomotor symptoms: thermoregulatory pathways and variable duration.Evidence grade (draft mapping)DPreclinical / mechanisticPart 14, Q190 · Part sources
From Longevity Unmasked by Afshine Ash Emrani, MD, FACC. Medical disclaimer. This book is for education. It is not medical advice, and reading it does not make you my patient or create a doctor-patient relationship. Nothing here is meant to diagnose, treat, cure, or prevent any disease. Medicine is personal: a test, drug, supplement, or exercise plan that helps one person can harm another. Do not start, stop, or change any medication or treatment because of something you read in these pages. Talk with a licensed clinician who knows your history first. If you think you are having a medical emergency, call 911. The author disclaims responsibility for any loss or harm arising from use of the information in this book.