PSYA02H3 Chapter Notes - Chapter 14: Body Mass Index, Passive Smoking, Emotional Contagion
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PSYA02H3 Full Course Notes
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Document Summary
Body mass index (bmi) - a statistic commonly used for estimating a healthy body weight given an individual"s height. Set point - a hypothesized mechanism that serves to maintain body weight around a physiologically programmed level. Social contagion - the often subtle, unintentional spreading of a behaviour as a result of social interactions. Smoking cigarettes causes life-shortening health problems including lung, mouth, and throat cancer; heart disease; and pulmonary diseases such as emphysema. 21% of all deaths in canada over the past decade were due to smoking-related illnesses. The life expectancy of an average smoker is between 7-14 years shorter than that of a non-smoker. 19. 9% of canadian adults - 22. 3% of males and 17. 5% of females - smoke cigarettes; Each day approximately 250 adolescents in canada try their first cigarette. Efforts to prevent smoking: provincial and municipal laws are reducing the risks posed by second-hand smoke exposure by banning smoking in many public places especially restaurants and public buildings.
