You blame your winter fatigue on holiday stress or busy schedules, but if you find yourself struggling with low energy, mood changes, and overwhelming sadness as daylight hours shrink, you might be ...

A lack of daylight may contribute to symptoms, but seasonal affective disorder can happen in warm, sunny seasons too. Though the exact causes of seasonal affective disorder, also known as seasonal ...

’Tis the season for recognizing seasonal affective disorder (SAD). Just don’t expect to find SAD in diagnostic handbooks. As a memorable term, SAD “stuck in the general public, and to some extent ...

The final remnants of fog lifted from the banks of the Merrimack River on Wednesday morning as the clouds cleared and sunlight bathed the water. Credit: Rachel Wachman / Concord Monitor Sign up for ...

Depression and seasonal affective disorder (SAD) share similar symptoms, but depression can occur at any time of the year, while SAD follows a recurring seasonal pattern. For a SAD diagnosis, a person ...

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