What is the difference between a preventative health behavior and a healthy behavior?

Health behavior is an action to maintain, attain, or regain good health and to prevent illness. Healthy behaviors are exercising regularly, eating a balanced diet, and obtaining necessary inoculations

Explanation:

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.