https://www.google.com/search?q=DOHaD&sca_esv=b1ec7e9b937f628a&sxsrf=ANbL-n6KCbNN22hxANDh1JG_HPbhKM6-0A%3A1777832799865&ei=X5P3aeS4NKqf5NoPro7VoAk&biw=1454&bih=719&ved=0ahUKEwik5IWk352UAxWqD1kFHS5HFZQQ4dUDCBE&uact=5&oq=DOHaD&gs_lp=Egxnd3Mtd2l6LXNlcnAiBURPSGFEMgoQABiABBiKBRhDMgoQABiABBiKBRhDMgUQABiABDIFEAAYgAQyBRAAGIAEMgsQABiABBiKBRiRAjIFEAAYgAQyBRAAGIAEMgUQABiABDIFEAAYgARIoAJQAFgAcAB4AJABAJgBcqABcqoBAzAuMbgBA8gBAPgBAvgBAZgCAaACd5gDAJIHAzAuMaAHlgSyBwMwLjG4B3fCBwMyLTHIBwOACAE&sclient=gws-wiz-serp QT:{{” The Developmental Origins of Health and Disease (DOHaD) hypothesis posits that environmental exposures—including nutrition, stress, and chemicals—during early life (specifically fetal and neonatal stages) program long-term health, influencing chronic disease risk like diabetes, cardiovascular disease, and obesity in adulthood. This field studies how these early factors affect genetic expression through epigenetic changes. “}}