
What laughter can do for you:
1. Lower blood pressure
2. Increase vascular blood flow and oxygenation of the blood
3. Give a workout to the diaphragm and abdominal, respiratory, facial, leg, and back muscles
4. Reduce certain stress hormones such as cortisol and adrenaline
5. Increase the response of tumor- and disease-killing cells such as Gamma-interferon and T-cells
6. Defend against respiratory infections–even reducing the frequency of colds–by immunoglobulon in saliva.
7. Increase memory and learning; in a study at Johns Hopkins University Medical School, humor during instruction led to increased test scores
8. Improve alertness, creativity and memory
"He that sitteth in the heavens shall laugh" (Psalms 2:4a)
"A happy heart makes the face cheerful" (Proverbs 15:13a)
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