You need to exercise your body in the same what that you are going to use it. A. Regularity B. Overload C. Progression D. Specificity

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.