A study of over 17,000 men found that exercise in middle-age was linked to a reduction in the occurrence of lung cancer by approximately:
A) 25%.
B) 45%.
C) 68%.
D) 93%.

Question

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The Answer of A study of over 17,000 men found that exercise in middle-age was linked to a reduction in the occurrence of lung cancer by approximately:
A) 25%.
B) 45%.
C) 68%.
D) 93%.

A Study of Over 17,000 Men Found That Exercise in Middle-Age