When you think of health, you will think of its opposite-disease!
Everyone doesn't want to get sick, do they?
Physiology refers to whether a person's body system, organs, nerves and other parts are normal, such as disability, fever and headache, nerve contusion, prostate and so on. It is a sign of good health.
Psychology refers to some kind of satisfaction or domination that a person can obtain spiritually. For example, happiness, worry, melancholy, crying and so on all reflect a person's mood or emotional performance.
Mental health directly affects a person's mood, mood, and even whether there is abnormal psychology. May lead to crime or even self-harm,
Will directly affect a person's order in social life.
In short, mental health is a necessary condition for physical health, and physical health is a sufficient condition for physical health.
I hope you are a healthy and comprehensive young man!