I have no clue how to do this please help

Describe the concept of interval training. what is the benefit of this type of training?

22. which situation describes the appropriate use of drugs? a.using your friend’s prescription drug according to label instructions b.using an over-the-counter drug according to your friend’s instructions c.using an over-the-counter drug according to label instructions d.using your friend’s prescription drug according to your friend’s instructions

Bulimia nervosa cannot be prevented, but it can be treated if diagnosed early. true or false?