For those of you who are worried about the length of time it takes doctors to adopt the truth, [I would point out] that citrus fruits were first suggested in print for the treatment of scurvy in 1593 and again in 1608—then in 1747 came the clinical trial, which was not randomized but which was pretty conclusive—two patients got well on citrus fruit and the other ten, on five other treatments, got worse. It was 40 years before the British navy required lemons and limes and other citrus fruit on board ships at sea.So, it took 154 years from the innovation to the trial, 40 years from the trial to practice.
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