What is the difference between functional health and the absence of disease

The  difference between functional health and the absence of disease should be explained below:

The following information should be considered:

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The main difference between functional health and absence of disease lies in the fact that in a functional health state there is the possibility that the person has chronic diseases under treatment, which do not negatively affect their quality of life and allow the individual to develop normal of your usual activities. For example, a person with hypothyroidism, who controls the activity of her thyroid gland through different medications, can lead her life normally despite having this disease.

On the other hand, the total absence of diseases implies the non-existence of all conditions in the human body.

Thus, functional health does not imply the absence of diseases, but the ability to lead a normal life despite them.

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