任何对身体有害的外来物或生物。

Any foreign agent or organism that is harmful to the body.

youdao

其他研究同样指出，红酒能提升HDL胆固醇(对身体有益的胆固醇)同时避免LDL胆固醇(对身体有害的胆固醇)的形成。

Other studies also indicated that red wine can raise HDL cholesterol (the Good cholesterol) and prevent LDL cholesterol (the Bad cholesterol) from forming.

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你可能会认为信徒会将死亡看作神的旨意，虽然说他们不会急着寻短见，但也不会借助那些大剂量的往往对身体有害的药物来延长生命。

You might expect the religious to accept death as God's will and, while not hurrying towards it, not to seek to prolong their lives using heroic and often traumatic medical procedures.

youdao

These kinds of fats are not necessarily bad, and so things like olive oil in the diet tends to be protective and may explain some regional variations in rates of heart disease.

这些脂肪就不一定有害,所以饮食中橄榄油之类的对身体是有益的,这也解释了地域间心脏病发病率的差异

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选