PSY 283 Chapter Notes - Chapter 7: Oral Cancer, Nicotine, Cardiac Output
9 Mar 2019
School
Department
Course
Professor
Document Summary
Smoking is the leading cause of preventable mortality in the united states, causing an estimated. Smoking is linked with cancer of the lung, mouth, pharynx, esophagus, and bladder. Smoking can also lead to emphysema, bronchitis, and respiratory problems. Chewing tobacco is associated with oral cancer and cardiovascular disease. Nicotine constricts blood vessels and increases heart rate, cardiac output, and blood pressure, so the heart becomes overworked. Cigarette smoke contains high levels of carbon monoxide, which reduces the amount of oxygen in the blood and leads the arteries to harden. Relapse rates for quitting smoking are very high. Teenagers may start to smoke as a way of trying out a new identity. 1981 study: adolescents who saw themselves as tough, liking to be with a group, consumers of alcohol, and interested in the opposite sex were more likely to think about starting to smoke.
