What are the major responsibilities of the fda related to medicine?

Safety, Security of Human and Veterinary Drugs, Biological Products, Medical Devices, Nations food supply and cosmetics

In general, the FDA is responsible for the regulation of all aspects of medicine in the United States. This includes medicine approval, manufacturing regulation, packaging regulation, control of distribution, and regulation of the place of sale.

It’s either a or b hope this

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)