https://www.123articleonline.com/rss/author/459063/ssrajdeep-sharmaArticles written by ssrajdeep sharma from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1526192/what-are-the-main-causes-of-obesity-and-health-risks Obesity is mainly caused by overeating, lack of physical activity, poor sleep, stress, and genetics. Modern lifestyles with more junk food and less movement make it worse. It increases the risk of serious health problems like heart disease, type 2 diabetes, high blood pressure, and joint issues, along with negative effects on mental health.