There are a number of vitamins that are vital for good hair health, the main ones being vitamins C, D and E, and in a balanced diet all these vitamins should be readily available.

有许多对头发健康至关重要的维生素，主要有维生素C、D和E，而在平衡的饮食中所有这些维生素应该很容易获得。

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The diet should be suitable, being neither too rich nor too meagre.

饮食应该适当， 既不能太油腻也不能太粗淡。

《新英汉大辞典》

Being socially active, eating a healthy diet, exercising and getting enough sleep also won't hurt.

充足的社交活动，合理健康的饮食，适量的锻炼及充足的睡眠总归是不会有问题的。

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One of the hypotheses that was being tested in this particular study was that a low-fat diet would reduce a woman's risk for breast cancer.

其中一个,在研究中被检验的假设是,低脂膳食,有助于降低妇女患乳腺癌的风险

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And it's being driven by their lifestyle, and their diet, and their physical inactivity.

这就得归罪于他们的生活方式,不良饮食及其锻炼的缺乏了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But it's also helpful to think just for health and well-being in general, what might be done to improve the diet and this will be a good way to try to get at that.

但如果出于健康考虑,想想如何能改善饮食,也是很有益处的,这次的作业就是一个改善饮食的好方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So in Sunday's aftermath Zimbabweans are being force fed a diet of MDC thuggery, non-attendance and opposition violence.

BBC: NEWS | Africa | Bloggers turn up heat on Zimbabwe

"Obesity is not being adequately addressed by diet and lifestyle changes or currently available therapies, " the company said.

CNN: FDA approves new diet drug

It prevents cholesterol ingested in the diet from being absorbed into the body.

CNN: Help me understand my cholesterol drugs