In March 2005, Researchers at the University of Maryland School of Medicine in Baltimore presented results for the first time that showed laughter is linked to healthy function of blood vessels. The magnitude of benefit observed was similar to that produced by aerobic activity.
"Given the results of our study, it is conceivable that laughing may be important to reduce the risk of cardiovascular disease," says principal investigator Michael Miller, M.D., director of preventive cardiology at the University of Maryland Medical Center and associate professor of medicine at the University of Maryland School of Medicine. "At the very least, laughter offsets the impact of mental stress." . . .













More states are saying the EPA doesn’t go far enough in forcing the car makers to raise emission standards in their new models. State politicians want cleaner air and are trying to force carmakers to provide it. 



