Meanwhile, as Huff Post reports, a University of Maryland study found that a sense of humor can protect against heart disease.” Beyond that, “laughter activates the body’s natural relaxation response. It’s like internal jogging, providing a good massage to all internal organs while also toning abdominal muscles,” explains Dr. Gulshan Sethi, head of cardiothoracic surgery at the Tucson Medical Center and faculty at the University of Arizona’s Center for Integrative Medicine.
