Mercola.com, By: Dr. Mercola, 09/30/2013
A hearty laugh a day may keep the doctor away, say the findings of a unique study. Whereas previous studies have examined how negative emotions can adversely affect our health, this study took a new spin–they measured the affect of watching a funny movie on the ability of heart blood vessels to expand. And they found some surprising results–laughing increased blood flow as much as a 15- to 30-minute workout.
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