民以食為天。對人類來說，吃歷來不是一件簡單的事。飲食文化中的一些相當(dāng)強的社會、情感和行為力量對我們吃什么、什么時候吃、在哪里吃、吃多少起著作用。

Food matters to human beings, for whom eating has never been a simple matter. Some pretty strong social, emotional and behavioral forces in dietary culture play a part in determining what, when, where and how much we eat.

飲食對我們的健康有著重要的影響。 我們通過飲食來獲得所需的各種營養(yǎng)素和能量來維持自身的健康。不合理的飲食、營養(yǎng)過度和不足，都會給健康帶來不同程度的危害。

Diet has a significant impact on our health. We maintain our health through various nutrients and energy derived from diet. But irrational diet, an excess of or deficiency in nutrients, can bring harm to our health to varying degrees. 

“病從口入”這一說法得到不少研究的證實。人類大概有80%的疾病與飲食有關(guān)，已知可預(yù)防癌癥原因中至少40%與飲食有關(guān)。

The saying "Illness comes from food" has been confirmed by quite a number of researches. About eighty percent of all human illnesses are related to diet and at least forty percent of the known preventable causes of cancer are related to diet as well.

飲食過度會因營養(yǎng)過剩導(dǎo)致肥胖癥、糖尿病、高血壓等多種嚴(yán)重影響健康疾病。

Overeating may contribute to a number of serious health-threatening conditions such as obesity, diabetes, and hypertension.

這表明，目前強調(diào)通過飲食來預(yù)防疾病的努力沒有錯，這是因為比一些其他危險因素，如吸煙、肥胖等，飲食是更容易改變的。

This shows that the current emphasis on dietary prevention of disease is not a misplaced effort, since diet is more easily changed than certain other risk factors, such as smoking or obesity.

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