Unit 17 LaughterMaking time to laugh can boost (促进) your health. Some researchers believe laughing is good.Burns Calories：Laughing for 10 to 15 minutes raises energy expenditure (花费；消耗), increases heart rate, and can burn up to 40 calories.Causes “Runner's High”：Laughing increases endorphins (内啡肽), reduces stress and strengthens the immune system.Protects Against Heart Disease ： Research suggests that a good sense of humour wards off heart attacks. Laughter widens blood vessels so blood flows more freely.Strengthens the Immune System：Stress hormones (荷尔蒙) are reduced during laughter, allowing the immune cells to function better. Laughing also promotes an oxygen & carbon dioxide exchange.Helps Kids Tolerate Pain ： Cartoons can help children cope with painful procedures, such as needles or to the dentist. Humour helps kids tolerate pain longer.Increases Job Satisfaction ： Humour improves communication, creativity and overall performance in the workplace.Improves Counseling Sessions (咨询会)：Laughter is thought to be one of the easiest ways that humans signal support and “it is safe to relax here”．Improves Classroom Interactions: Humour encourages students' discussions and increases course enjoyment.Increases Hope and Selfworth (自我价值感)：Watching just 15 minutes of a comedy show can relieve worries about health or career. Laughter can replace negative thoughts with positive ones and help formulate (规划，构想) a “plan of attack” for problems. This in turn increases feelings of selfworth, which makes overcoming obstacles (障碍) even easier.Eliminates ( 消 除 ) “Us Versus Them” Thinking ： Comedy makes us more inclusive (包括……的) of others and helps us see the big picture.Section_ⅠWarm up _&...
