| http://www.w3.org/ns/prov#value | - om winter depression, of which 8 to 10 million are females from 17 to 35 years of age.// Current research indicates that the absence of sunlight triggers a biochemical reaction that may cause symptoms such as loss of energy, fatigue, lethargy, decreased activity, sadness, excessive eating, carbohydrate cravings and sleepiness.
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