What kind of lifestyle is called healthy? Why is society interested in people leading a healthy lifestyle?

A healthy lifestyle implies proper nutrition and good rest, adherence to hygiene rules, regular sports
The reasons to lead a healthy lifestyle are not only a harmonious life, health, happiness. If we delve deeper into this topic, then the main reason is the world around us. And it will be exactly what we are. Changing ourselves, we change the world around.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.