Vitamin E might raise risk of prostate cancer

Vitamins can actually increase the risk: large-scale study, vitamin E supplements, prostate cancer was to examine whether it can be prevented just found the opposite.

In the study, this vitamin is an increased risk of cancers of these people are, whether the vitamin just affirms the latest research that indicates that the response to fight cancer can not be.
The study began in 2001, the U.S. study of more than 50 years, Canada and Puerto Rico monitor is about 35,000 men, SELECT (Selenium and Vitamin E Cancer Prevention Trial) is called. Men were divided into four groups.
1.4 Vitamin E (dl - alpha tocopherol) 400 IU per day (IU) were instructed to take the
On January 4, selenium, taking 200 micrograms of daily mineral
Both had on April 1
And the fourth group took placebo tablets
None of the men they knew who took the supplements.
The study was reported in December 2008, a study has show to reduce the risk of prostate cancer, selenium supplementation of vitamin E are both well. In fact, they also noted a slightly increased risk for prostate cancer who took vitamin E alone.However, they increase "statistically significant," he said.
All men in the study drug was discontinued in October 2008, his health is still controlled. Since the introduction of more than 521 cases of prostate cancer, the authors report in the Journal of the American Medical Association.
147 groups of vitamin E
143 selenium group
118 is an integrated
113 in the placebo group
The researchers say that when they hrustily number, Vitamin E, a group of 17% higher incidence of prostate cancer compared with placebo.
Dr. Joseph Chin, surgical oncologist and author of the study in London, Medical Research Center, for the man tried to prevent prostate cancer, vitamin E is that it does not seem that way.
"Vitamin E is not really useful. If you shoot a lot to prevent prostate cancer, may cause some minor damage," he told CTV News.
But the man took the vitamin E should not worry Jin, the study showed that taking a vitamin every day for seven years to cause one additional case of human prostate cancer 700.
The study also statistically significant increased risk of prostate cancer, suggesting that selenium is able to provide a protective effect by dampening the increased risk associated with vitamin E alone or vitamin E and selenium found in the combination group did not.
Provide nutrients, it continued to affect the body - but with a higher risk of vitamin E was interrupted many men stopped a few years after taking the vitamin, was that there was still .
Doctors, vitamin E may admit or know how to implement the prostate.
"Vitamin E in biological explanation for the observed increased risk of prostate cancer, these data are not clear," they write.
However, findings, to clarify his advice, Dr. Robert Nam, head of genitourinary cancer patients Mountain Institute in Toronto said.
"He tells men to stop taking high doses of vitamin E to prevent prostate cancer, tell them," he says.
The authors daily is currently recommended Please note that taking vitamin supplements containing vitamin E more than 50% of people over the age of 60, even if 22 IU little each day, approximately 23% of them, one At least take a 400 IU per day.
Vitamin E, DL-α-acetate There are many forms of tocopherol are used in this study, the composite type is sold in capsule form. Some experts are not the same as eating natural sources of vitamin E forms say no synthesis, it is only half as active as the natural source of vitamin E and synthetic types
Lead author Dr. Eric Klein of the Cleveland Clinic, it is again, the study says that means more and better it be dietary supplements.
"We, as inert materials, are not they appear. They have a pharmacological effect really is important to them. Therefore, care must be taken to what you take," he says.
The authors also argue that the study highlights the need for consumers skeptical about health effects of dietary supplements is governed by the Lord.
Then they also which, we care, why say that you need large randomized trial to evaluate the pros and cons of vitamin supplements.