During World War II, food shortages in some European countries were linked to
A) decreases in immune functioning.
B) decreases in the rate of cardiovascular disease.
C) higher rates of diabetes.
D) higher cancer rates.
Question 2
What happened to laboratory rats and mice who were fed only 70 percent of their usual calories?
A) They died of starvation.
B) They became so weak that they could hardly move.
C) They lived much longer than rats normally do.
D) They became more susceptible to various diseases.
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