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Build Muscle by Laughing

William F. Fry, an associate professor emeritus of clinical psychiatry at Stanford University says "a belly laugh is internal jogging." He states that laughing involves "a great deal of physical exercise and muscular behavior." Fifteen facial muscles, plus numerous others, are flexing and relaxing during sessions or even "fits" of laughter. Once the muscles are activated and working, they cannot help but become more toned and fit. Fit muscles typically demand more energy. And energy is created by burning calories. Now that is something to ponder!

Build Muscle by Laughing

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