She wanted to lose weight so she went on a crash diet.

她要减肥，因此他开始速成节食。

In fact, I'm on a crash diet. But I'm already full now.

说实话，我在速成节食，可现在我已经饱了。

Whether it’s because of a crash diet, general malnutrition or some genetic or biological defect, deficiencies in certain nutrients can cause hair loss.

无论是由于快速节食，营养不均衡还是一些遗传的或生理缺陷引起的某些营养物不足，均会导致脱发。