Laughing All the Way, Ha Ha Ha! Whether you're riding in a one-horse sleigh, sledding, caroling, bakingcookies or chillin' with family and friends, the holidays brim withopportunities for lots of laughter. What's all that joviality doing to your brain? Laughing stimulates a part of your brain called the nucleus accumbens,which then releases the feel-good neurotransmitter dopamine. This createsa brain-chemical chain reaction that elevates your mood, makes you feelconnected to those around you, reduces stress & pain, and even boostsyour immunity! Here are some other interesting things you may not know about laughter: When you laugh, you use 15 different facial muscles The average grown up laughs approximately 17 times every day We are 30 times more likely to laugh when we're with other people thanwhen we are by ourselves Laughing causes the inner lining of blood vessels to relax and expand,increasing blood flow to your entire body. Finally, a good belly laugh burns 3.5 calories. Which is a good thing toremember as we're eating all those holiday goodies.