Most SD sufferers will confirm: the SD symptoms are at their worst in the colder and darker seasons. In a previous post I have discussed this connection at length and have pointed to several scientific studies that confirm it. It turns out that most medical scientists believe that sunlight, and specifically the ultraviolet (UV) part of it, is responsible for the positive effects. The obvious question then is: armed with this information, what can be done in order to keep seborrheic dermatitis at bay during the cold and dark periods. Of course one can think of traveling to sunnier places, but this is not always possible, or practical. An easy…