PUBHLTH 1 Lecture Notes - Lecture 7: Lung Cancer, Gastroenteritis, Sarcoma
Document Summary
Ask the who, where, and when questions to describe the epidemic by person, place, and time. Heart disease leading cause of death in u. s. Lung cancer and smoking early 1950s. Questionnaire to physicians in uk: smokers, past smokers, non-smokers (age at starting to smoke, amount of tobacco smoked, when they had quit smoking ) Death rate from lung cancer 20x higher among smokers. Death rate among non-smokers was lower than of smokers. And declined as the length of time increased since they had quit smoking. Cigarette smokers: 5x more to die from other cancers tongue, pharynx, larynx, esophagus as non-smoker. Heavy smokers (2 or more packs/day) were 2. 4x more likely to die from heart disease than non-smokers. 1920: heart disease leading cause of death in usa. 1948: first major epidemiologic study: framingham, massachusetts. 5000 healthy people, examined and data recorded: weight, bp, smoking habits, blood tests . 10 years: identification major risks factors: high bp, high blood cholesterol, smoking.
