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。

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When a person has cancer it indicates the person has multiple nutritional deficiencies. These could be due to genetic, environmental.

当一个人得了癌症时，说明这个人有多重的营养缺乏。这些缺乏可以归因于基因、环境、食物和生命系统因素。

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When a person has cancer it indicates the person has nutritional deficiencies. These could be due to genetic, but also to environmental, food and lifestyle factors.

当人被发现有癌症时，它意谓这个病患是有大量营养缺乏；这可能是由于基因、环境、食物及生活方式等因素造成的。

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