该研究包括1202个参加癌症营养预防(Nutritional Prevention of Cancer trial, NPC)临床试验的受试病人，目的是研究补硒对皮肤癌的作用。
This study involved 1,202 human patients who were already taking part in a clinical trial (Nutritional Prevention of cancer trial, NPC) to assess the effect of selenium supplementation on skin cancer.
2
当一个人得了癌症时，说明这个人有多重的营养缺乏。
When a person has cancer it indicates the person has multiple nutritional deficiencies.
3
我们关键要知道的是，身体缺乏营养会增加女性患心脏病、癌症、糖尿病和骨质疏松症的几率。
What's important to know is that poor nutrition increases a woman's risk for heart disease, cancer, diabetes, and osteoporosis.
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