A habit of rumination can be dangerous to your mental health, as it can prolong or intensify depression as well as impair your ability to think and process emotions. It may also cause you to feel isolated and can, in reality, push people away.
The Nemours Foundation is the organization that is focused on improving the health of children.
Answer:
Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.