Englishfor English speakers
health
Noun
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If you talk about the health of a person or animal, you are talking about whether they are sick or not.
The doctors believe that the disease will not be a serious danger to public health.
Before you start exercising, you should be in good health.
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If you have health you are not sick (do not have disease) and are not hurt.
ethics
Noun
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The study of what is good and what is bad, or what should be good and bad. Ethics often is about making rules for how to act, and saying why certain things are bad.
She is studying ethics at the university.
"Do no harm" is the basis of medical ethics.