Adolescent girl appetite is exuberant, love snack, activity little, energy is absorbed be more than use up, bring about superfluous energy translate into adipose, cause fat.

• 青春期女孩食欲旺盛，爱吃零食，活动又少，能量吸收大于消耗，导致过剩的能量转化为脂肪，造成肥胖。