Skype Laughter Chain Challenge. Humor is infectious. The sound of laughter is said to be more contagious than a cough or sneeze. When laughter is shared, it bonds people together and increases happiness and intimacy. It is said that laughter is the best medicine, boosting the immune system and energy while also diminishing pain and stress. Do you believe that laughter is contagious? Try this challenge! See if you can watch this entire video without laughing or smiling. If you fail to keep a straight face, pass it on to your friends and challenge them to do the same. Today we are asking you to spread some joy. SHARE!! CLICK HERE —> TO LIKE DAILY BUZZ LIVE ON FACEBOOK!