From left, Barbara Daily, Karen Swaim and Sherry Kinsella play mahjong at the Jackson Hole Senior Center, basking in the glow of a 70-watt full spectrum floor lamp designed to combat the effects of SADS, or seasonal affective disorder. The lights can be especially helpful for the elderly, who may have trouble getting outside into the sun during the winter. (Associated Press/Jackson Hole News & Guide, Price Chambers) **FILE**
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