List the preventive factors against use and abuse. Explain how each factor help prevent drug use and abuse. Refer to the illustration below.

Telling them to either contract or relax

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)