Find the English Meaning/ definition?

1)- Health education is the process by which people learn about their health and more specifically, how to improve their health. Many different types of people provide health education and there are many different ways health education is delivered, based on various behavioral change models. Health education is critically important in improving the health of communities and individuals.

2)- A state of emotional and psychological well-being in which an individual is able to use his or her cognitive and emotional capabilities, function in society, and meet the ordinary demands of everyday life.
A branch of medicine that deals with the achievement and maintenance of psychological well-being.
A person's overall emotional and psychological condition: Since witnessing the accident, his mental health has been poor.