Bruce Wood | Indy Week

Bruce Wood 
Member since May 10, 2017



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Re: “Some facts about tanning

Sadly, I just found this conversation, but thought I would add to the debate on the benefit of moderate and regular sunbed usage.

for fairskin2

Critique of the International Agency for Research on Cancer's meta-analyses of the association of sunbed use with risk of cutaneous malignant melanoma.

Summary and Conclusion

"This meta-analysis of the association of CMM risk with respect to sunbed use by the IARC does not support the evidence that sunbed use is a risk factor for CMM when the confounding factors of skin phenotype and latitude are considered.

The IARC study only claims association, not causality, and the criteria for causality do not appear to be satisfied. In addition, sunbed use produces vitamin D, which has many health benefits.

Thus, prohibiting sunbed use other than to those with skin type I based on the IARC study seems ill advised."

"These results indicate no statistically significant relation between sunbed use and risk of CMM when studies largely influenced by inclusion of people with skin phenotype I, without adjustment for skin phenotype, are removed from the meta-analysis"

"Although solar UV irradiance is an important risk factor for CMM, occupational UV irradiance is generally not associated with increased risk of CMM; however, recreational UV irradiance is."

"Humans have lived in harmony with the sun throughout our history, nature having devised ways to protect us from the adverse effects of sun exposure. One such adaptation is skin pigmentation, dark enough for protection against UV, light enough to permit sufficient UVB penetration to generate vitamin D for its many health benefits"

"Tanning is also protective against CMM"

"Tanning reportedly induced a sun protection factor of 2 after 2 weeks of daily suberythemal UV doses in skin types II and III."

"Because solar-UV-simulating sunbeds induce production of vitamin D, the health benefits of their use greatly outweigh any possible risks."

Posted by Bruce Wood on 05/10/2017 at 10:49 AM

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