In the study, both individual and family therapy helped most of the teenagers get back to a normal weight within a year.
在这项研究中,个人和家庭治疗都帮助大多数青少年在一年内恢复到正常体重。
3
By controlling for individual and environmental influences on weight, such as income and health, they then measure whether food-price changes affect body-mass index (BMI).