Good morning and welcome to your fifty-first meditation. Mayo Clinic tells us it reduces stress, improves our immune system, and it can be an effective pain-killer. It enhances our mood, raises our self-esteem, improves our ability to cope with difficult situations, and contributes to our overall happiness and satisfaction with life. Oh, and it’s free, readily available, and has no negative side-effects. What could this miracle drug be? The answer is the same as it is for a surprising number of life’s problems: laughter.