How Why2---laugh讲读版

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英文原文：

Do you laugh？

Do you laugh / everyday? Most people do. Scientists say / that people laugh / about 17 times aday. That/ is a lot of laughter.

In India, there are hundreds of laughter clubs. The people in these clubs / get together every morning. First / they stretch their hands / above their heads. Then /they pretend to laugh. Soon / everyone is laughing naturally. People say they feel good / after laughing together.

Scientists believe / that laughteris good for you. Why? For one thing, laughter is good exercise. When you laugh, you exercise many muscles

in your body.Scientists say / that one hundred laughs / equals / ten minutes of running. When you laugh, you also breathe deeply. This helps you relax. That’s good for you, too.

Why do we laugh? That /is a hard question to answer. We know /that people laugh more often / in a group. They don’t laugh / very often / when they are alone. Many scientists believe /that we use laughter to / connect to other people. Laughter helps us feel / part of a group.

In English, people say / that laughter is the best medicine.Some think / that laughter helps sick people /get well. Do you think so, too?