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Healthy Tanning Beds? Experts Say No

Healthy Tanning Beds? Experts Say No Skin Cancer Researchers Oppose Industry Campaign to Portray Tanning Beds as Healthy WebMD Medical News By Salynn Boyles Reviewed by Louise Chang, MD More...

Sept. 18, 2008 -- Health experts are fighting back against an aggressive campaign by the tanning industry to portray sunbathing and the use of indoor tanning beds as not only safe, but good for you.

In a series of papers published today, leading researchers in the fields of melanoma research, dermatology, and cell biology call for greater regulation of the indoor tanning industry.

Arguing that there may be no such thing as a safe tan, Society of Melanoma Research President David E. Fisher, MD, PhD, and colleagues accuse the industry of trying to confuse the public about the health benefits of tanning.

"This effort to portray tanning and tanning beds as good for health ignores the fact that exposure to ultraviolet radiation represents one of the most avoidable causes of cancer," Fisher tells WebMD. "There is no question that this exposure causes thousands of skin cancer deaths a year."

Last spring, the Indoor Tanning Association launched its nationwide campaign with a full-page ad in the New York Times questioning the link between sun exposure and the deadly skin cancer melanoma -- and claiming that tanning promotes good health by boosting vitamin D levels.

Exposure to ultraviolet light causes the body to produce vitamin D, which research suggests is protective against a host of diseases.

"Both the sun and tanning beds have been unnecessarily demonized by special interests using junk science and scare tactics," International Tanning Association spokeswoman Sarah Longwell said in a March 26 news release.

UV and Skin Cancer

While he acknowledges that the impact of UV exposure on melanoma is not fully understood, Fisher says the tanning industry's assertion that there may be no link at all is wrong.

"Whereas genetic and other factors undoubtedly contribute importantly to skin cancer risk, the role of UV is incontrovertible, and efforts to confuse the public, particularly for the purposes of economic gain by the indoor tanning industry, should be vigorously combated for the public health," Fisher and colleagues write in the October issue of Pigment Cell & Melanoma Research.

More than 1 million cases of non-melanoma skin cancer and 60,000 cases of melanoma will be diagnosed this year in the U.S., according to the American Cancer Society.

"The incidence of skin cancer continues to rise faster than any other cancer, with the lifetime risk for an American to develop melanoma estimated to have increased approximately 2,000% in the past 75 years," the researchers write.

While melanoma is by far the most deadly skin cancer, Fisher says thousands of people die each year from non-melanoma related skin cancers.

"These cancers are absolutely caused by UV exposure," he says. "There is no question about that."

In a separate review entitled "Are Tanning Beds Safe?" University of New Mexico epidemiologist Marianne Berwick, PhD, concluded that the data suggest, but do not prove, that tanning beds are no safer than sun exposure and may even be associated with an increased risk for melanoma.

She writes that better studies are needed to investigate the issue, adding that, "because of this uncertainty, the data do not support a claim that sun beds are safe, and such claims should be considered misleading."

Tanning Industry Responds

In a statement issued Wednesday in response to a request from WebMD, International Tanning Association Executive Director John Overstreet accuses the authors of the newly published reviews of making "irresponsible assertions without providing any concrete link between indoor tanning and melanoma."

"The fact is, UV light provides vitamin D which helps the body ward off many types of disease; the rewards that come from moderate and responsible exposure to UV light far outweigh the consequences of not getting enough of it," Overstreet says in theĀ statement.

Fisher disputes this claim, and adds that people can get all the vitamin D they need by taking supplements of the vitamin.

"In this day and age, advocating exposure to a carcinogen to get a vitamin doesn't make any sense," he says. "People who are truly vitamin D deficient should be monitored by a physician who can recommend the right amount of supplementation."

American Cancer Society Deputy Chief Medical Officer Len Lichtenfeld, MD, agrees.

"Why expose yourself to an increased risk for skin cancer when you have a safe alternative in cheap and readily available supplements?" he says.

Lichtenfeld points out that the American Cancer Society, the National Council on Skin Cancer Prevention, and all major dermatological associations have taken the position that indoor tanning is an unsafe practice.

"It is nefarious how this industry group tries to promote this practice as safe when every reputable medical organization disagrees," he says.

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