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Can be both. Do you have a family history? Do you live in a big city or a small town? These are important factors. Usu., if the family and environment is stable, you can rule out environment excluding pollutants (various chemicals, etc.).

My symptoms are much worse in a big city, and in stressful environments, esp. with lots of environmental pollutants and irritants.

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14y ago

What else can I help you with?