Observation: Tanning beds associated with vitamin D toxicity?

Tanning bed (Credit: meganmillscrm/Flickr)Main Point:

Tanning beds may be associated with vitamin D toxicity, according to an observation.

Published in:

Annals of Internal Medicine

Study Further:

The authors describe the case of a 26-year-old white woman who was referred to the endocrinology clinic for asymptomatic vitamin D toxicity. The patient did not excessively consume milk or take over-the-counter vitamin D supplements, and reported minimal sun exposure. However, the patient admitted to using a tanning bed a minimum of three times a week for at least six months. The clinicians advised the patient to stop using the tanning bed since another cause of her elevated vitamin D levels could not be identified.

One month later, the patient’s serum vitamin D levels had decreased. The authors observed that tanning beds could be an alternative source of vitamin D for deficient patients that cannot get adequate vitamin D from oral sources. However, the risks for skin cancer would have to be weighed against the benefits of increased vitamin D.

Reference:

B. Frei, B.N. Ames, J.B. Blumberg, and W.C. Willett. Enough Is Enough. Annals of Internal Medicine, 160(11), 807, http://www.annals.org/article.aspx?doi=10.7326/L14-5011

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