Navigation Links
Vitamin E Supplements May Raise Lung Cancer Risk
Date:2/29/2008

Study found a slight but significant association

FRIDAY, Feb. 28 (HealthDay News) -- Vitamin supplements won't protect people against lung cancer and taking vitamin E may even heighten the risk, a new study finds.

The survey covered the supplement-taking habits and lung cancer incidence of almost 78,000 adults in the state of Washington over a four-year period.

"Our study of supplemental multivitamins, vitamin C, vitamin E and folate did not show any evidence for a decreased risk of lung cancer," study author Dr. Christopher G. Slatore, a fellow in the division of pulmonary and critical care medicine at the University of Washington, said in a statement. "Indeed, increasing intake of supplemental vitamin E was associated with a slightly increased risk of lung cancer."

As reported in the March issue of the American Journal of Respiratory and Critical Care Medicine, the research focused on men and women aged 50 to 76 taking part in the four-year VITAmins and Lifestyle (VITAL) study. Lung cancer was diagnosed in 521 participants surveyed.

In addition to the expected association with smoking, family history and other lung cancer risk factors, there was a slight but statistically significant association with vitamin E supplementation and incidence of the disease, the researchers found.

Every increase in vitamin E of 100 milligrams per day was associated with a 7 percent rise in lung cancer risk -- translating into a 28 percent increase in risk over 10 years for someone taking 400 milligrams of vitamin E daily.

"This provides additional evidence that taking vitamin supplements does not help prevent lung cancer," said Eric Jacobs, strategic director of pharmacoepidemiology at the American Cancer Society.

The society does not currently recommend use of any vitamin supplement to prevent malignancy, Jacobs said. However, "our dietary guidelines do recommend eating five or more servings of a variety of vegetables each day," he noted.

A representative of the supplements industry called the study results "not all that surprising."

"Vitamins are essential nutrients that act to maintain health and prevent vitamin deficiency," Pamela Mason, spokeswoman for the London-based Health Supplements Information Service, said in a statement. "They were never intended to be used to prevent chronic disease such as cancer. Indeed, it would be asking a lot of a vitamin pill to expect it to prevent cancer."

Since the primary cause of lung cancer is smoking, the best preventive measure is simply not to smoke, Jacobs said. Nutrients can play an auxiliary role, he noted. Anyone who cannot quit should avoid taking beta-carotene supplements, because studies have linked them to an increased risk of lung cancer, Jacobs said.

On the other hand, "for former smokers, there is some evidence that vegetables high in carotinoids, such as carrots and sweet peas, decrease the risk," he said.

Some vitamins have been linked to a reduced risk of other cancers, added Edward Gorham, an associate professor of family and preventive medicine at the University of California at San Diego.

"We have worked with vitamin D, and we found a protective effect of vitamin D on colon cancer, breast cancer and ovarian cancer, and recently a modest effect on lung cancer," Gorham said.

But that effect came not from supplements but from sunlight, which causes vitamin D to be formed in the human body, he said.

"These results with multivitamins dont surprise me because there is so little vitamin D in multi-supplements, 100 or 200 International Units," Gorham said. "To achieve the effect, it takes 2,000 IU. If youre in the tropics, that amounts to 10 or 15 minutes in the sun. In southern California, it takes 10 or 15 minutes in the summer and longer in the winter because the sun angle is so low."

One study has also associated vitamin D supplements with a decreased risk of colon and breast cancer in women, Gorham said.

More information

There's more on nutrition and cancer prevention at the American Cancer Society.



SOURCES: Eric Jacobs, Ph.D., strategic director, pharmacoepidemiology, American Cancer Society, Atlanta; Edward Gorham, Ph.D., associate professor, family and preventive medicine, University of California, San Diego; Feb. 29, 2008, statement, American Thoracic Society; Feb. 29, 2008, statement, Health Supplements Information Service; March 2008 American Journal of Respiratory and Critical Care Medicine


'/>"/>
Copyright©2008 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Certain vitamin supplements may increase lung cancer risk, especially in smokers
2. Rutgers researchers unlock mysteries of vitamin A metabolism during embryonic development
3. Its Time to Reassess the Value, Safety of Multivitamin Use, Says Harvard Mens Health Watch
4. Video: Studies: Exposure to Ultraviolet Rays Best Way to Overcome Widespread Vitamin D Deficiency
5. New Renuva Daily Balance Spray Is Designed to Be the Easiest and Best Way to Take Daily Vitamins and Minerals
6. Vitamin E or C does not reduce risk of dementia or Alzheimers
7. The UV Foundation Announces February is Vitamin D Deficiency Month
8. Study finds widespread vitamin and mineral use among cancer survivors
9. Finding the Right Home for Your Vitamins and Other Supplements
10. Vitamin E, Lutein May Fight Cataracts
11. Low vitamin E levels associated with physical decline in elderly
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Vitamin E Supplements May Raise Lung Cancer Risk
(Date:1/24/2017)... ... January 24, 2017 , ... “The Octagon of Spiritual Balances”: ... of Spiritual Balances” is the creation of published author, Pastor Bernard J. Weathers, pastor ... holds a bachelor degree in religious education and a master degree in theology. , ...
(Date:1/24/2017)... ... 23, 2017 , ... OSF Ventures, the corporate investment arm ... platform headquartered in Silicon Valley that connects startups to corporations and invests in ... three-year agreement to be a corporate sponsor of Plug and Play’s program for ...
(Date:1/24/2017)... ... January 23, 2017 , ... During the ... Carol Francis, Psychologist in the South Bay area , explained “Watching Women’s ... all people and by all people shines as a bright beacon of determination ...
(Date:1/23/2017)... , ... January 23, 2017 ... ... translation and localization services for life science companies, has achieved ISO 17100:2015 ... TÜV SÜD America. ISO 17100 is the globally recognized standard that establishes ...
(Date:1/23/2017)... ... January 23, 2017 , ... The Masters ... management and evaluation leaders with decades of experience who remain current practitioners in ... States healthcare system, there is a renewed demand for versatile, data-driven leadership.The American ...
Breaking Medicine News(10 mins):
(Date:1/23/2017)... 2017 7D Surgical announced today that ... U.S. Food and Drug Administration (FDA) and a ... North American commercial launch of its innovative Machine-vision ... the 7D Surgical System.  The ... and machine vision algorithms to eliminate the long-standing ...
(Date:1/23/2017)... and Markets has announced the addition of the "Needle Free Drug ... report to their offering. ... Highlights: The report provides a detailed analysis ... Market forecasts till 2025, using estimated market values as the ... Regions and Countries Key developments and strategies observed in ...
(Date:1/23/2017)... Alberta , January 23, 2017 ... del riñón (r enal) y ... sola dosis de a pabetalone    ... hoy los resultados preliminares de un ensayo en fase ... con discapacidad de riñón (renal) severa. Los datos demostraron ...
Breaking Medicine Technology: