The Romanians and the Turkic Nomads North of the Danube Delta from the Tenth to the Mid-Thirteenth Century East Central and Eastern Europe in the Middle Ages, 450-1450

Laugh and cry. Having a good sob is reputed to be good for you. So is laughter, which has been shown to help heal bodies, as well as broken hearts. Studies in Japan indicate that laughter boosts the immune system and helps the body shake off allergic reactions.