Residents and workers near the site where a train carrying hazardous chemicals derailed this month have been diagnosed with bronchitis and other conditions that doctors and nurses suspect are linked to chemical exposure. Deborah Weese, a nurse practitioner at Quickmed Columbiana — one of closest urgent care clinics to East Palestine — said she has listed “exposure to potentially hazardous chemicals” as a possible cause of bronchitis or other ailments for patients who live or work near the crash site. Boyer said she herself has had a persistent headache and burning sensation in her mouth