In general, studies of populations have suggested that low cancer rates correlate with:
a. high iron intakes.
a. high iron intakes
b. high vegetable and whole grain intakes.
c. high red meat intakes.
d. low folate intakes.
e. low anticarcinogen intakes.
b
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Sodium, potassium, chloride, and phosphorus play a major role in
a. carbohydrate metabolism. b. the distribution of water inside and outside body cells. c. regulating insulin production. d. the production of thyroid hormones.
A nutrition researcher adds 30 mg of the mineral iron to the daily diet of 50 4-week-old laboratory mice. After ten weeks, the scientist takes blood samples from each mouse. According to his findings, the mice developed abnormal levels of certain enzymes in their red blood cells. Based on this information and your knowledge of scientific research, what would you tell him?
A. He should call a press conference and report his findings to the public, so they can avoid consuming excess iron. B. He should consider his findings as an observation and redesign the study to include a control group. C. He should report his findings to other nutrition scientists, so they can repeat his study and confirm the results. D. He should prepare a research article that describes his study and its results for submission to a peer-reviewed nutrition journal.
Ndustry-initiated labeling systems are voluntary and generally employ science-based criteria for judging the nutrient qualities of food products
a. True b. False Indicate whether the statement is true or false
Beriberi was identified in the 20th century as a deficiency of which vitamin?
A. niacin B. thiamin C. vitamin C D. biotin