What are the three lines of defense for health?

The first line of defense: prevention.

Proper exercise, adequate sleep, good living habits and psychological control, excellent environment and balanced nutrition. \

The second line of defense: health care.

Eliminate toxins in the body, regulate function and immunity, and supplement balanced nutrition. Connecting the preceding with the following, medicine and food have the same origin, and at the same time play a very good auxiliary role in prevention and treatment.

The third line of defense: treatment. Drugs and surgery.