Pharmacology is the study of a combination of all these aspects of a drug EXCEPT its A) origin
B) effects.
C) Uses.
D)cost.

The answer must be B. effects

Explain

When you do drugs , it effect you and your body

So answer is effects

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.