Which of the following statements about marijuana is false? marijuana can have the same side effects as cigarette smoking. marijuana can cause females to have an excess of female hormones. marijuana can lower sperm count in males. marijuana raises levels of dopamine in the brain.

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)

What do you mean exactly