For example, social contact can boost the development of the brain and immune system, leading to better health and less chance of depression later in life.

例如，社交可以促进大脑和免疫系统的发育，使人体更健康，并在以后的生活中降低负面情绪出现的几率。

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Optimism's benefits for physical health also extend beyond heart health, such as improved immune system function and increased life span.

乐观对身体健康的益处不仅限于心脏健康，还包括改善免疫系统功能和延长寿命。

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No one disputes the costs in quality of life and depleted health budgets of an obese population, but the quest for solutions gets diverted by ideological arguments around responsibility and choice.

没有人会质疑肥胖人群在生活质量上付出的成本和医疗预算的损耗，但寻求解决方案的注意力被围绕责任和选择的意识形态争论所转移了。

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"Being physically active on a regular basis is a difficult thing, but the MyActivity Pryamid offers adults a variety of ways that they can reach these recommendations for health and improving the quality of life."

VOA: standard.2010.02.26

It's a test worth taking, since the results could transform your diet and your health for life.

CNN: Gluten: 5 things you need to know

For instance, North Carolina, which gives its workers health benefits for life after only five years on the job, is considering lengthening the qualifying period.

ECONOMIST: Retired Americans' health care

Venezuelan President Hugo Chavez is "battling for his health, for his life", his deputy Nicolas Maduro says.

BBC: Hugo Chavez 'battling for his life', says VP Maduro