Originally published in Volume XVI, Issue 2, Fall 2009 edition of Skin News by Richard G. Asarch, MD
Two recent studies have shown a link between warm weather vacations and the development of a greater number of moles in children and Caucasian women. A report in Journal of Investigative Dermatology showed that Caucasian English women who vacation in hot countries have 74% more moles than those who have never vacationed in tropical climates. The same study showed that women between the ages of 18 - 29 who vacationed in tropical climates were more likely to have moles on the trunk and limbs, areas that are most often covered in the everyday life.
A study involving seven-year-old Caucasian children in Colorado showed that every vacation near the water was associated with a 5% increase in small moles. Sunny vacations by the water were most closely linked to increases in small moles.
Since a greater number of moles can increase the risk of developing melanoma, these findings are another fact that emphasizes the importance of following sun precaution rules: (1) Apply sunscreen with an SPF of at least 30, (2) apply at least 1 ounce 30 minutes prior to sun exposure, (3) apply sunscreen every two hours or immediately after swimming or sweating profusely, (4) wear sun-protective clothing especially when intense mid day sun exposure is likely, (5) avoid intense sun times from 10 a.m. to 4 p.m. and, (6) remember that tanning and UV tanning and UV tanning booths are not safe.
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