WONDER #1376: Does Laughing Help You Live Longer?
Question 1 of 3
According to a popular saying, laughter is the best _________________.
- pain reliever
Question 2 of 3
Scientists who study laughter have a difficult time drawing solid conclusions because it can be hard to separate cause from _____________.
Question 3 of 3
Which of the following is NOT a physical change that takes place during laughter?
- blood flow rises
- blood pressure rises
- breathing rate increases
- digestion stops
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