The incidence of cutaneous malignant melanoma is continuously increasing worldwide, but only minimal changes in mortality have been observed. This phenomenon has brought into question whether this increased incidence reflects a true or apparent melanoma epidemic. The most recent data suggest that this epidemiological trend may be explained by the existence of a certain degree of melanoma overdiagnosis, especially of thin lesions, which probably would never progress to advanced disease if left untreated. However, acute sun exposure and widespread use of sunbeds may also justify the increase in melanoma incidence. Recently, both vitamin D and beta-blocker use seem to play a beneficial role in melanoma progression.
- vitamin D
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