The report recommends that most Americans increase physical activity to a moderate level and make changes in food choices and calories intake to maintain ideal weight.

报告建议大多数美国人把活动提高到一个适当的程度并且要改变对食物的选择和卡洛里的摄入以保持理想的体重。

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Increase physical activity.

增加身体锻炼。

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Increase physical activity and reduce time spent in sedentary behaviors.

要加强体育锻炼，减少坐着的时间。

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Physical activity is also known to increase the release of endorphins.

VOA: special.2010.06.08

We've been working to make our schools healthier. We've been working to increase the amount of physical activity that our kids are getting, not just during the day at school but also at home.

VOA: special.2010.06.07

To increase physical activity, local elected officials commit to mapping local playspaces, completing a community needs assessment, developing an action plan and launching a minimum of three proven policies, programs or initiatives aimed at increasing access to play.

WHITEHOUSE: The White House

The worrying increase of diabetes in the UK is clearly linked to rising obesity levels and plummeting physical activity levels.

BBC: NEWS | Health | Obesity 'epidemic' turns global

Researchers say the reason for the surge is partly because Americans are getting older and fatter, and possibly because of the country's decline in physical activity and some undefined changes in the American diet such as an increase in fat consumption.

CNN: A dramatic rise in the rate of diabetes reported