童年肥胖已成为全球主要的健康问题。

Childhood ___obesity has become a major health issue worldwide.

研究表明，肥胖会增加许多疾病的风险。

Studies show that ___obesity increases the risk of many diseases.

解决肥胖问题需要包括饮食和锻炼在内的全面方法。

Addressing ___obesity requires a comprehensive approach including diet and exercise.