Vitamin E has been reported that may be able to prevent the occurrence of colorectal cancer, taking β-carotene might increase the chances of lung cancer, which may be tracked after finishing the treatment or the number of cases caused by too little error.
Recently, Harvard University Dr. Lin has made a systematic, forward-looking research, is to make 7627 the women were divided into two groups, a group of 500mg daily doses of vitamin C or eat once every two days to add vitamin E 600IU, there is every two days to eat a β-carotene 50mg, after 9.4 years of follow-up to analyze the risk factor of these people and found that taking vitamin C in this group, the risk coefficient is 1.11, vitamin E is 0.93, β-carotene was 1.00, with no rules taking the control group did not statistically different. The three antioxidants, even if the use of the three antioxidants combined the EC is also no statistical differences in this 9.4-year follow-up there are 624 women get cancer, of which 176 died, the cancer and mortality there is no statistical significance.
This research data with previous studies do not quite the same, but its follow-up study time is not long enough and is not confined to women, so this result, after extensive research still need to include men and women and may be a long time tracking have different results.
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