Read the following speech excerpt and then select the correct answer to the question below: president george w. bush's speech to the troops on the uss abraham lincoln other nations in history have fought in foreign lands and remained to occupy and exploit. americans, following a battle, want nothing more than to return home. and that is your direction tonight. after service in the afghan and iraqi theaters of war - after 100,000 miles, on the longest carrier deployment in recent history - you are homeward bound. some of you will see new family members for the first time - 150 babies were born while their fathers were on the lincoln. your families are proud of you, and your nation will welcome you. which topic best relates to the central idea in this part of the speech?

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laughter improves people's emotional and well-being.   kavita khajuria is a psychiatrist and he has defined laughter as " physical expression of humour and joy that has numorous protective qualities." when you feel under stress or sad because you have argued with a person you love, you need to laugh to feel strong enough to face the problems.

when you have an exam , you probably feel under stress. laughing will you release this tension. humour decreases the hormones that cause stress. k. khajuria   says that the brain releases some chemical components when we laugh. these chemical components are called neurotrophic factors and they are very important. they support the neurons in the brain and encourage the growth of new neurons. as a conclusion, you should laugh a lot before giving your exam. laughing will you with your exam and with your brain.

if you are having difficult times with friends or family members, laughing will also you face these problems. alannagh kelly is an assistant psychologist. she thinks that laughter can   make anger and anxiety vanish in the air. laughter can set a new and exciting atmosphere among people and it can make the bonds bewteen people stronger. so, if you are having a difficult time with someone you love, invite him / her to watch a comedy. you will probably make peace.

laugher will certainly protect you against stress and emotional pain. watching a comedy   may be a solution to stress or damaged bonds. " this remedy is fun , free, and best of all, no instructions needed."   alannagh kelly has said in her blog.