第一步就是尽量剔除你饮食习惯中的人造食品。

The first step is to eliminate as many unnatural food items from yourdiet as possible.

youdao

你得改变你的饮食习惯。

You need to change your eating habits.

《牛津词典》

今天饮食习惯的改变可能在几个月之后才能对你的头发产生影响。

A change in diet today could take several months to have an effect on your hair.

youdao

Let's say, just say that you're wanting to change your own diet to improve your health.

比如说,你想改变自己的饮食习惯,使自己更健康

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 overall, you want to make sure you have a healthy diet.

但整体上，你要确保你有一个健康的饮食习惯。

关于网络世界 - SpeakingMax英语口语达人

As I mentioned before is one example on the risk for breast cancer in women, so you'd randomly assign half to following their usual diet, the other half to an intervention program where people are prescribed a low fact diet, given counseling and interventions from dieticians and things, and then you look to see what happens for risk as people go forward in time.

我之前提过,这例子研究的是,女性的乳腺癌发病率,你将随机选择其中一半人按一般习惯饮食,另一半人则参与一个干预计划,其中每人都要食用,由营养学家设计推荐的低脂肪菜单,然后再看随着时间推移,被试者的发病率是怎样变化的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选