Timing is everything: New research links early light to lower depression and stress
For millions of Americans, the arrival of shorter fall and winter days brings more than just early darkness. It brings a predictable crash in energy, drive and overall well-being known as seasonal affective disorder, or SAD. First identified and named in 1984 by a team led by Dr. Norman Rosenthal, who worked for the National Institutes of Health at the time, the condition affects far more women than men and can produce symptoms ranging from fatigue and overeating to profound hopelessness and difficulty concentrating.
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