Medications often
a. are sold over the counter.
b. include vitamins, diet pills, and others.
c. are not regulated until after a negative health effect is proven.
d. do not require evidence that they work, as long as they state that the fda has not evaluated them.

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.