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Question
which of the following represents the results of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds?
a.there was a reduction in the duration of colds by 50% on the average
b.there was only a minor effect on reducing the number and severity of colds
c.there was a consistent reduction in the duration of colds in people who consumed at least 200 mg a day
d.there was a significant reduction in the number of colds only in people who consumed more than three grams per day
Answer
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