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Does seasonal affective disorder run in families?

Seasonal affective disorder (SAD), like other forms of depression, does run in families. If your parents were prone to SAD, you are likely to be prone to it as well. Chemical imbalances in the brain in reaction to a lack of sunlight - most commonly - are what will trigger symptoms of seasonal affective disorder. The brain's mishandling of serotonin and melatonin levels is most likely a genetic phenomenon that reaches from one generation to the next. Knowing your family history is important to diagnosing SAD early and finding treatment to mitigate long-term symptoms.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.