Vitamin Supplements May Increase Risk Of Breast Cancer
Women who regularly a multivitamin and mineral preparation shall have a higher risk of breast cancer, according to a Swedish study (American Journal of Clinical Nutrition,
with more than 35,000 women between 49 and 83 years old. The women were followed for almost 10 years.
Of the women who regularly swallow vitamin pills, breast cancer was 3.25% during the study. In women who took no vitamin pills, it was 2.6%. After taking into account other risk factors (such as age, family histories, etc.) decide Swedish researchers that women who take vitamins on average 19% more likely to develop breast cancer than women who do not take vitamins. What exactly would be responsible for this vitamin is not known.
By the type of study can not conclude from this that a causal link between the vitamin and breast cancer, only that breast cancer is more common in women taking these preparations. But it could also be that these women were without life, unhealthy eating, etc