Supplements of vitamins may even do harm, studies show
This article was translated by an automatic translation system, and was therefore not reviewed by people.
Polls also tips myth substances that prevent cancer.
Scientists recommend caution in the continued use of supplements.
The business of production and distribution of vitamin supplements moved somewhere around $ 20 billion only in the United States last year. Many people try these supplements rather than dietary supplement gaps in the day-to-day. Believe that consumption of vitamins can remove diseases. This week, two papers provide little alentadoras news for consumers who believe these pills.
In a study published in the journal "Archives of Internal Medicine, Albert Einstein College of Teachers in New York showed that vitamin supplementation does not prevent cardiovascular disease and cancer in women post-menopause. The data came from registration Women's Health Initiative, which followed 160 thousand women since 1993.
The goal was to discover whether there was link between the consumption of vitamin supplements and the appearance of malignant tumors or cardiovascular problems. After eight years (on average) follow-up, the figures showed that there is any positive or negative association between vitamins and cancer or heart infarction and stroke.
Another research work, that came from Holland and published in the journal, British Journal of Gynecology ", brings a warning. The excessive consumption of vitamin E during pregnancy increases the risk of congenital heart disease. The researchers compared the dietary records of 300 mothers of babies born with heart problems with the same number of mothers of healthy children. The consumption of vitamin E was higher in the group of children with problems. The use of vitamin E supplementation during pregnancy increased the risk of a heart abnormality in the baby in nine times.
All these data show that the indiscriminate use of vitamin supplements may not only be beneficial and even have serious problems. A balanced and adequate nutrition can provide virtually all the nutrients we need, and supplementation of vitamins and minerals should be indicated in specific cases and by a specialist.
Luis Fernando Correia is a doctor and presenter of "Focus on Health", the CBN.
Source: G1 news
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