New research suggests that Pennsylvania residents with the highest exposure to active natural gas wells operated by the hydraulic fracturing ('fracking') industry are nearly twice as likely to suffer from a combination of migraine headaches, chronic nasal and sinus symptoms and severe fatigue.

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New research suggests that Pennsylvania residents with the highest exposure to active natural gas wells operated by the hydraulic fracturing ('fracking') industry are nearly twice as likely to suffer from a combination of migraine headaches, chronic nasal and sinus symptoms and severe fatigue.