Which of the following often results from the use of drugs?
a. impaired brain function
b. unsafe driving
c. criminal behavior
d. all of the above

whats the question? ?

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.