this work is licensed under a creative commons attribution noncommercial sharealike license your use of material constitutes acceptance that and the conditions materials on site copyright 2006 johns hopkins university jonathan samet all rights reserved these permitted only in accordance with granted provided as no representations or warranties user assumes responsibility for liability related thereto must independently review accuracy efficacy may contain owned by others responsible obtaining permissions from third parties needed tobacco epidemic an historical overview md ms institute global control 3 m professor chairman department epidemiology bloomberg school public health clinician specialty internal medicine subspecialty pulmonary diseases research effects active passive smoking served consultant editor senior reports surgeon general image source section discovery early foundations
