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In a prospective study comprising 10,000 subjects, 6000 subjects were put on beta carotene and 4000 were not, 3 out of the first 6000 developed lung cancer and 2 out of the second 4000 developed lung cancer. What is the interpretation of the above results

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In a prospective study comprising 10,000 subjects, 6000 subjects were put on beta carotene and 4000 were not, 3 out of the first 6000 developed lung cancer and 2 out of the second 4000 developed lung cancer. What is the interpretation of the above results

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In a prospective study comprising 10,000 subjects, 6000 subjects were put on beta carotene and 4000 were not, 3 out of the first 6000 developed lung cancer and 2 out of the second 4000 developed lung cancer. What is the interpretation of the above results




A. Beta carotene is protective in lung cancer
B. Beta carotene and lung cancer have no relation to each other
C. The study design is not sufficient to draw any meaningful conclusions
D. Beta carotene is carcinogenic

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