Health means many things.
The World Health Organization (acronym WHO) says health is: "A dynamic state of complete physical, mental, spiritual and social wellbeing and not merely the absence of disease or infirmity." This is not a simple sentence, but this is important to understand. This is what it means in Simple English:
So the WHO means: Health is having everything we need to be happy. It is not having disease. It is having good food and water. It is having good family and friends. It is having a good spirit. It is having love. It is having a safe place to live. It is learning. It is growing. It is different things for different people. It changes in time for the same person.
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