Obesity related diseases https://duckduckgo.com/?q=obesity+related+disease https://www.nhlbi.nih.gov/health-topics/overweight-and-obesity Obesity is a serious medical condition that can cause complications such as metabolic syndrome, high blood pressure, atherosclerosis, heart disease, diabetes, high blood cholesterol, cancers and sleep disorders. Treatment depends on the cause and severity of your condition and whether you have complications.