Since 1991, a survey assessing the use and abuse of a variety of drugs has been distributed to a nationwide sample of 8th graders, 10th graders, and high school seniors every year. The name of this survey is:

How does stress affect the digestive system? o a. reduces ability to break down foods b. reduces acid production to slow digestion o c. increases desire for fruits and vegetables o d. increases ability to break down food submit