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take extra vitamin einsteinium may increase men ’s risk of prostate cancer , a new study tell .
Men in the study who look at supplements of 400 international units ( IU ) of vitamin tocopherol every day were 17 percent more probable to developprostate cancerover a seven - year period than man who took a placebo pill , the researcher sound out . The recommended daily dietary allowance is 22.4 IU for adult men .
The study , started in 2001 , was intended to see whether supplements of vitamin E or Se reduce man ’s jeopardy of prostate cancer . The researchers released their early finding I n2008 , suggesting that neither supplementation decreased prostate gland Cancer the Crab risk ; the new findings show vitamin E may actually have the opposite effect .
Does this mean men should give up taking vitamin tocopherol ?
" Every serviceman ’s take to make that decisiveness for himself , " said study researcher Dr. Eric Klein , a urologist at the Cleveland Clinic . However , there is really no evidence showing that vitamin E provides wellness welfare , Klein said . study so far show it does not reduce the risk ofheart onrush , strokes , Costa Rican colon genus Cancer , lung Crab or overall risk of last over a return period .
" I have a hard time reason , render all that data point , why someone would want to take vitamin E , " Klein said .
Moreover , the novel field is not the first to link vitamin with health risk of exposure . high-pitched doses of beta carotene have been linked with an increase peril of lung cancer , and gamey acid of folacin with an increase risk of colon polyps , Klein said .
" vitamin are not unobjectionable , " Klein said . " They very well may not be helpful , " he said , adding that " they can be harmful . "
prostate gland cancer risk
Prostate cancer is the most common case of cancer in U.S. piece . A man in the general population has a 16 percent opportunity of developing prostate gland Crab in his lifespan .
The subject area involved more than 35,000 men from 400 clinical centre in the United States , Puerto Rico and Canada . gentleman were willy-nilly assigned to one of four groups : One grouping took both selenium and vitamin eastward , one aim atomic number 34 and a placebo , one hire vitamin E and a placebo and the last group took placebos of both addendum .
In 2008 , all the man stopped taking their supplement because they did not seem to importantly reduce the risk of exposure of prostate gland Cancer the Crab . Still , the researchers collected health data from the humankind until July 2011 .
For every 1,000 human beings who adopt only vitamin E supplements , 76 developed prostate gland Cancer the Crab . For every 1,000 who took placebos , 65 developed prostate cancer , the study showed .
Men who assume selenium alone , or vitamin E and selenium together , were also more probable to develop prostate gland cancer than men who took a placebo , but these increase were small and possibly due to prospect .
Bad vitamins
" We often imagine that these products may not help , but there is no downside [ to taking them ] , " articulate Dr. Mark Soloway , a urology prof and prostate cancer expert at the University of Miami Miller School of Medicine , who was not ask in the cogitation . " This is one of the very few articles around that says , wait , there might be a very serious downside to talking vitamin E , " Soloway say .
The study was large and well - design , and so the finding carry system of weights , Soloway said . hands should be careful when they read health claim that are not bet on up by strong scientific grounds , he said .
The researchers are now investigating way vitamin E may act biologically to increaseprostate cancer riskby prove blood samples and toenail clipping collected throughout the field of study .
Pass it on : superfluous vitamin atomic number 99 supplementation might pose an increase risk of prostate cancer .
