obesity

例句：

1. 1.Obesity is a major health concern in many countries.
   肥胖是许多国家的主要健康问题。
2. 2. The doctor advised her to eat a balanced diet and exercise regularly to lose weight.
   医生建议她吃均衡的饮食并经常锻炼以减肥。
3. 3. Many people are struggling with their weight due to the increasing prevalence of obesity.
   由于肥胖症的日益普遍，许多人都在努力控制体重。