在儿童时期，保持健康体重能够预防未来疾病风险。

Childhood obesity is stabilizing and may be decreasing in New York City and Los Angeles County.

目前，儿童肥胖状况稳定，纽约和洛杉矶的肥胖人口正在减少。

One possible reason is the effectiveness of local public health efforts that promote regular physical activity, a healthy diet, breastfeeding among new mothers, and decreased TV time.

原因之一有可能是当地公共卫生机构加强了宣传力度，增强体育锻炼、维持健康饮食、坚持哺乳，减少电视时间。

Parents engage in physical activity with your children as early as possible and serve meals and snacks that include lots of fruits, vegetables, lean meat, and low-fat milk.

父母应该尽早与孩子进行体育锻炼，食用包括水果、蔬菜、瘦肉以及低脂肪牛奶在内的餐饮和小吃。

1.physical activity 体育活动

例句：Most of us do a lot of work on the computer, so doing some kind of physical activity for 10 or 15 minutes can be a great way to change our state. 

我们大多数人做了大量工作的电脑上，做10到15分钟的身体活动的可以某种程度成为一个伟大的方式改变我们的状态。

2.healthy diet 健康饮食

例句：You should follow a healthy diet that you like and that you can stick to. 

你应该选择一种健康的饮食习惯，而且是你所喜欢和能够坚持的。

3.childhood obesity 儿童肥胖

例句：WHO recognizes that the increasing prevalence of childhood obesity results from changes in society. 

世卫组织认识到儿童期肥胖症日趋流行是社会变化的结果。

4.public health 公共卫生

例句：But I have worked in public health for 30 years. I have no illusions. 

但是我已经在公共卫生领域工作了30年，我不抱有幻想。