Seasonal Affective Disorder May Be Linked to Genetic Mutation, Study Suggests
Saturday, November 8, 2008 - 05:21
in Health & Medicine
About 6 percent of the U.S. population suffers from seasonal affective disorder, or SAD, a sometimes-debilitating depression that begins in the fall and continues through winter. Sufferers may even find it difficult to get out of bed in the morning. A new study indicates that SAD may be linked to a genetic mutation in the eye that makes a SAD patient less sensitive to light.
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