Medically reviewed by Rochelle Collins, DO Key Takeaways Eating too many calories and not burning enough calories can lead to ...

Obesity is uncommon among Hadza hunter-gatherers in Tanzania, Tsimane forager-farmers in Bolivia, Tuvan herder-farmers in Siberia, and other people in less-developed nations. But it’s widespread among ...

About 1 billion people are considered obese worldwide. (Getty Images) But what's the difference between being overweight and being obese? And as the WHO report renews calls to help prevent and manage ...

While childhood obesity has become more common in recent years, this is a condition that is about more than just weight.

Large proportions of obesity-related conditions (ORCs) among US adolescents and young adults may be attributable to obesity and, to a lesser extent, overweight, a cross-sectional study suggested.

America is experiencing an epidemic of obesity in our children. That’s bad news, but worse, our kids are getting fatter at an accelerating rate. In the last 30 years, childhood obesity rates have ...

If you have hypothalamic obesity, you have an increase in appetite and food intake (hyperphagia). This can happen if the parts of your brain that control hunger and fullness are damaged or not working ...

Both overweight and obesity can increase the risk of developing coronary artery disease. Maintaining a healthy diet and a moderate weight can help decrease the chance of this and other heart ...

What causes obesity? A major new study is upending common wisdom. By Gretchen Reynolds The Washington Post,Updated July 15, 2025, 5:00 p.m.