Which factor is the least likely to be the primary cause of most cancers?
A) Low intake of vegetables and fruits
B) Smoking
C) Food dye
D) Obesity
E) Air pollution
C
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Older people do not benefit from exercise as much as younger people
a. True b. False Indicate whether the statement is true or false
All of the following are features of vitamin K in nutrition EXCEPT
a. infants frequently require a supplement at birth. b. good food sources are plants of the cabbage family. c. risk of deficiency is increased in people taking antibiotics for prolonged periods. d. gut microflora synthesis supplies sufficient amounts to meet the needs of most healthy adults.
Moderate energy restriction results in all of the following changes except:
a. reduced body weight. b. reduced body fat. c. reduced blood pressure. d. reduced insulin sensitivity.
What percentage of schools in the U.S. meet the Centers for Disease Control and Prevention's recommendation that children participate in 30 minutes of physical education class daily?
a. 6-8 b. 10-12 c. 14-16 d. 18-20