Researchers are conducting a study to determine the effects of zinc supplements on migraines in adults. The study involves providing pills that contain zinc to one group of human subjects, and pills that do not contain zinc or other active ingredients to another group of people. The pills that do not contain zinc are
A. antidotes.
B. probiotics.
C. placebos.
D. supplements.
Answer: C
Nutritional Science
You might also like to view...
A weight-loss program should include close examination of current eating behavior.
a. true b. false
Nutritional Science
Only wine, consumed in moderation, has heart-protective effects
Indicate whether statement is true or false.
Nutritional Science
Vitamin D is activated by chemical transformations in the _____ and _____
1.stomach, small intestine 2.stomach, liver 3.small intestine, kidneys 4.kidneys, stomach 5.liver, kidneys 6.liver, small intestine
Nutritional Science
A deficiency of folic acid is likely to show up first in cells that need to divide rapidly
Indicate whether the statement is true or false
Nutritional Science