What is the benefit of using controls in an experiment?
a. The size of the groups can be very large
b. The subjects do not know anything about the experiment
c. The subjects who are treated are balanced against the placebos
d. The subjects are similar in all respects except for the treatment being tested
d
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Vitamin E neutralizes free radicals and may prevent cancer from spreading to nearby tissues
Indicate whether the statement is true or false
________ is the standard for evaluating body weight that is based on the relationship between weight and risk of certain chronic diseases.
A. Waist circumference index B. Fat-to-lean index C. Body mass index D. Relative adiposity index
At birth, total body water accounts for approximately 75% of the infant's weight
a. True b. False Indicate whether the statement is true or false
Trans-fatty acids are most abundant in:
a. animal foods. b. plant foods. c. foods made with partially hydrogenated oils. d. the essential fatty acids.