虽然没有确切的证据表明我们应该吃什么，什么时候吃，但人们的共识是，我们应该听从自己的身体，饿的时候再吃。
While there's no conclusive evidence on exactly what we should be eating and when, the consensus is that we should listen to our own bodies and eat when we're hungry.
这真的是一个有效的方法，能用以确定我们应该吃什么或什么癌症治疗方法最有效吗？
Is that really an effective way to determine what we should eat or what cancer treatments will work?
我并没有说我们应该吃什么和不吃什么，我说的是如果你吃完午饭后还会补充吃些其它东西的话，那么你的午饭就要减少一半。
I'm not even going to say what to eat and not eat. I'm just saying if you are having that sub at lunch cut it in half.
它告诉我们每天应该吃什么。
地球人都知道，烟草和酒精是影响我们健康的两大恶邪，所以应该明白，什么该吃什么不该吃，什么该喝什么不该喝。
And as is known to all, tobacco an alcohol are the two greatest evils that creat negative affections on our health.
这些缩氨酸的作用是向大脑发出信号，告诉大脑我们应该吃多少的食物、吃什么食物以及我们当前的能量状况。
And these gut peptides which are signaling to the brain to tell the brain how much food and what you should be taken in and what your energy status is.
为了获取营养，我们必须吃食物，并选择不应该吃什么样的食物。
To acquire these nutrients we have to eat foods that contain them and make choices about what foods shouldn't be eaten in excess.
为了获取营养，我们必须吃食物，并选择不应该吃什么样的食物。
To acquire these nutrients we have to eat foods that contain them and make choices about what foods shouldn't be eaten in excess.
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