Smile 10 minutes you can lose weight

United States researchers found that 10 to 15 minute happy smile, you can "burn" off the human equivalent of a big chocolate contain calories.

For the purpose of carrying out this research, the United States researchers at Vanderbilt University will be 90 volunteers placed in a specially designed room, this room can detect people consume oxygen and carbon dioxide emissions of breathing. 　　This is the measurement of human energy consumption is one of the best ways. Researchers asked volunteers don't talk, don't walk, sit in a Chair watching TV. Vanderbilt University researcher Maciej · cloth schusky said: "the first to give participants a look at some very silly Equator. During this time, we measure their rest State metabolic rate. ”

Since then, the researchers give their broadcast 5 comedy segments, each about 10 minutes. Comedies make volunteers laughter. At the same time giving them a heart rate, breathing test status, and with the rest of the data. They found that they were laughing State more than serious state consume 20% of calories.

Researchers calculated that if every day smile 10 to 15 minutes, you can consume 50 kcal of calories. This means that each year you can lose weight 2 kg.