Sunburn is damaging. Understandable fear of this damage has led the public and researchers alike to adopt a perspective which considers the sun inherently damaging, and a primary cancerous risk. Evolutionary theory, by contrast, would propose that we are adapted to the ever-present stimulus of the sun, that protection would be in place for its negatives, and that the experience of negative effects like cancers are more explainable as results of recent changes in our species' manner of interacting with the sun...