> It didn't change "who I am", or artificially affect my personality, as I'd feared drugs would do; it simply restored a chemical balance that got upset with the lack of light and heat.

Above and beyond Vitamin D deficiency? I know exposure to the sun gives you Vitamin D, and I know Vitamin D deficiency does put you in a sour mood, but I didn't know there were more serious problems that could result from a lack of exposure to sunlight. Would you mind, particularly, if I asked for details? You've piqued my curiosity. In any case, I'm glad things worked out.