Health Benefits of Laughter
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 hormo nes 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 Improve alertness, creativity, and memory
