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In a medical science first, researchers turned skin cells from heart failure patients into heart muscle cells that may then be used to fix damaged cardiac tissue.More >> In a medical science first, researchers turned skin cells from heart failure patients into heart muscle cells that may then be used to fix damaged cardiac tissue.More >> Got hair? If you don't, you might have a higher risk of prostate cancer, a preliminary study suggests.More >> Got hair? If you don't, you might have a higher risk of prostate cancer, a preliminary study suggests.More >> Many American teenagers, including some with a normal, healthy weight, already have one or more risk factors for heart disease, researchers say.More >> Many American teenagers, including some with a normal, healthy weight, already have one or more risk factors for heart disease, researchers say.More >> Drowning kills more American children 1 to 4 years old than any cause except birth defects, according to a new federal report.More >> Drowning kills more American children 1 to 4 years old than any cause except birth defects, according to a new federal report.More >> In a new study, teens who loved listening to music blasting at high decibels on their MP3 players were also more likely than others to smoke marijuana.More >> In a new study, teens who loved listening to music blasting at high decibels on their MP3 players were also more likely than others to smoke marijuana.More >> In addition to over-the-counter and prescription medications, there are a few additional moves that can help ease the sniffles, sneezes and watery eyes of seasonal allergies.More >> In addition to over-the-counter and prescription medications, there are a few additional moves that can help ease the sniffles, sneezes and watery eyes of seasonal allergies.More >> A preliminary study links chemicals found in certain sunscreens to a higher risk of endometriosis.More >> A preliminary study links chemicals found in certain sunscreens to a higher risk of endometriosis, but it's too soon to say whether there's any reason for women to change their habits.More >> It was the small square photo clipped to an applicant's resume that most influenced whether a woman would be hired. More >> It was the small square photo clipped to an applicant's resume that most influenced whether a woman would be hired. But there was a hidden catch: The pictures showed the same six women both before and after weight-loss.More >> Children with autism given a squirt of a nasal spray containing the hormone oxytocin showed more activity in brain regions involved with processing social information.More >> Children with autism given a squirt of a nasal spray containing the hormone oxytocin showed more activity in brain regions known to be involved with processing social information, a small study found.More >> Dinosaurs may have suffered from arthritis, new research says.More >> Dinosaurs may have suffered from arthritis, new research says.More >>
(NBC) - New research suggests Vitamin E may raise the likelihood a man will develop prostate cancer. For the past decade or so, doctors believed Vitamin E might reduce the risk for prostate cancer. But that belief has been challenged by a large study from the Cleveland Clinic's Dr. Eric Klein.
"The finding was a bit of a surprise," said Dr. Klein.
Dr. Klein and his colleagues have been following a group of about 35,000 for at least seven years to study potential benefits of supplemental use of Vitamin E or Selenium. Neither pill reduced the risk for prostate cancer and the men were advised to stay away from the supplements.
But even after the men stopped taking the supplements, researchers found this that men who took Vitamin E alone had a 17% higher chance of being diagnosed with prostate cancer. What they don't know is why.
This is the latest in a string of recent studies that have suggested Americans' use of vitamins is leading to overkill, literally. On Monday, researchers said daily doses of multivitamins and other minerals like iron appear to raise the risk of an early death in older women.
A study from the National Institutes of Health found most people who take dietary supplements don't need them because they tend to eat healthy diets which are full of all the nutrients their bodies need.
The Vitamin E supplement in the Cleveland Clinic trial was 400 international units and was available over the counter. Most multivitamins, however, contain much less, which experts say is a much more appropriate dose.
The Council for Responsible Nutrition, which represents the dietary supplement industry, discourages men from "rushing to judgment" and would like to see additional research into the link between Vitamin E and prostate cancer.
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