It' s a well-known saying that may actually be true, according to a number of studies. Evidence suggests laughter is a true health promoter, helping reduce stress, boost your heart rate, increase circulation, and even burn c alories.

But how could laughter possibly burn calories? It's actually a simple concept, if you think about it: When you laugh, your body moves in various ways; muscles throughout the body stretch and, depending on the strength of the laugh, your abdomen and other areas of the body may even contract repeatedly. Now that's a workout and a laugh all in one!