title: Current exposure to pollution has greater health impact than former exposure, study shows.
authors: London.
authors: Ingrid
authors: I
authors: Torjesen
mesh_terms: D000397:Air Pollution / Q000266:history*; D004781:Environmental Exposure / Q000266:history*; D006801:Humans; D010087:Oxides / Q000266:history*; D052638:Particulate Matter / Q000266:history*; D012140:Respiratory Tract Diseases / Q000266:history*; D013457:Sulfur Compounds / Q000266:history*
chemical_list: D010087:Oxides; D052638:Particulate Matter; D013457:Sulfur Compounds