Epidemiology and health policy.
D000293:Adolescent; D000397:Air Pollution; D001294:Attitude to Health; D002318:Cardiovascular Diseases / Q000209:etiology; D002561:Cerebrovascular Disorders / Q000628:therapy; D002648:Child; D002657:Child Development; D002664:Child Nutritional Physiological Phenomena; D004813:Epidemiology / Q000266:history; D005260:Female; D006291:Health Policy; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008131:London; D008297:Male; D008403:Mass Screening; D011159:Population Surveillance; D012140:Respiratory Tract Diseases / Q000209:etiology; D006113:United Kingdom; D014880:Water Softening