Professor Mathers is concerned about the degree to which the results from his new intelligence test that he developed correlate with the scores produced by the well-established Wechsler Adult Intelligence Scale (WAIS)

Pain-controlling chemicals in the body are called ______

a) neural regulators b) histamines c) androgens d) endorphins

One of the reasons people who go on strict or severe diets tend to rebound and regain the weight is that

a. dieting causes the body to become efficient at conserving calories as fat. b. dieting speeds up the body's metabolic rate. c. diets are unable to change the physiology of the body. d. people lack the will power to finish a diet before going back to regular eating.