A chronic disease is a long‑lasting health issue that usually needs regular treatment or makes daily life harder. Many people, especially adults, have these conditions. Some chronic diseases are present from birth, especially when they’re caused by genetic or congenital factors. Others develop over time due to lifestyle choices such as smoking, poor nutrition, physical inactivity or heavy alcohol use.
Chronic diseases such as heart disease, stroke, diabetes and cancer are among the most common and costly health conditions affecting Missourians, impacting millions of lives each year. Early detection through routine screenings and preventive care plays a critical role in improving outcomes and helping individuals live longer, healthier lives.