“Laughter is very infectious, and why it should be so is a most interesting neurological problem. But it also has other, more physiological, benefits. Apparently it boosts the immune system, reduces stress hormones, massages the heart and diaphragm and engenders a ‘feel good’ factor.”

“Laughter is very infectious, and why it should be so is a most interesting neurological problem. But it also has other, more physiological, benefits. Apparently it boosts the immune system, reduces stress hormones, massages the heart and diaphragm and engenders a ‘feel good’ factor.”

— Semir Zeki