Alayne Ronnenberg, ScDMain PageRisk FactorsSymptomsDiagnosisTreatmentScreeningReducing Your RiskTalking to Your DoctorLiving With COPDResource GuideEn Espa??ol (Spanish Version)The purpose of screening is early diagnosis and treatment.Organizations such as the Global Initiative for Chronic Obstructive Lung Disease (GOLD), United States Preventive Services Task Force (USPSTF), American College of P