You and your friend Karen are having lunch out and you order an iced tea. Karen sees you reach for the pink packet of Sweet 'N Low, stops your hand, and says, "Don't you know that stuff is bad for you? I read that it causes cancer, and I also know people who say that Equal, another nonnutritive sweetener, gives them headaches." As your conversation continues, let's show Karen how well informed
you are concerning nonnutritive sweeteners by answering the following questions: Although some studies in the past may have found that saccharin can cause bladder cancer in lab rats, why would it be considered safe today to continue using it?
a. The research used extremely high doses of saccharin that are not relevant for humans.
b. What occurs in rats is unlikely to occur in humans.
c. The American Medical Association's Council on Scientific Affairs has stated that saccharin increases the risk of bladder cancer, but only if consumed in soft drinks.
d. There are known hazards that are more important to avoid if you want to reduce your risk of cancer.
e. Saccharin is allowed in other countries around the world, so should be considered safe in U.S. food products.
a
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If a person uses up his or her reserve supply of glycogen and still does not eat, sugar comes from the:
a. heart.
b. liver.
c. bloodstream.
d. muscle.
Since repeated pregnancies occurring within short time frames lead to depletion of the mother's nutrient reserves, what is the optimal interval between pregnancies?
a. 1/2 year b. 1 year c. 1 1/2-2 years d. 3-4 years
The adverse effects of cigarette smoking by pregnant women include all of the following except:
a. future intellectual problems in the baby. b. developmental defects in the fetus. c. slowed growth in the fetus. d. excessive weight gain for the mother.
One side effect of iron supplementation often reported by adolescents is _____.
A. muscle soreness B. hypertension C. headache D. constipation E. fat-soluble vitamin deficiency