Laughing is good for the body. When people laugh the muscles of the faces tretch. Also, the amount of oxygen in a person's tissues goes up. Researchers say that laughing creates more happy chemicals in the brain. People who use laughter as medicine say they sleep better than before. Now, researchers at Loma Linda University think that laughter can make short-term memory better in older adults.
A new study at the university in southern California had people watch funny videos for 20 minutes. Then they took a memory test. Those who watched the videos did better than people who did not watch the videos.Scientists think this is because the body was working better and it changed the brain activity. They say that laughing can make a persons life better.
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