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SAD is a real, biologically based condition, not "laziness" or a lack of willpower. is the most accessible, low-risk, first-line treatment. For severe or recurrent cases, CBT-SAD or bupropion XL (started before symptom onset) offer robust options. If you suspect SAD, consult a psychiatrist or primary care provider to rule out non-seasonal depression and thyroid/vitamin deficiencies.
It is believed to be triggered by reduced sunlight, which disrupts the body's circadian rhythm (internal clock) and affects levels of serotonin (mood regulator) and melatonin (sleep hormone). Common Signs to Watch For seasonal affective disorder