The Scandinavian country of Norway sports the nickname “The Land of the Midnight Sun.” The appellation is appropriate because Norway—one of a handful of countries transcending the Arctic Circle–enjoys more than 20 hours of sunlight between late May and late July. During most of year, however, Norway’s denizens endure lengthy “vitamin D winters” – a season marked by the absence of sufficient ultraviolet B (UVB) rays to induce vitamin D production in the skin. Earlier this month I had the pleasure of visiting the Land of the Midnight Sun. My trip commenced in Norway’s cultural capital city of Oslo and […]