It is hard to believe but in fact humor affects our health positively. According to researches humor even can boost your immune system. First of all laughter reduces negative thoughts and feelings. Laughing you feel yourself happier and luckier. Moreover it reduces effects of stress. Life is stressful and obviously it is inevitable. But laughter helps you to relax. Watching another hilarious sitcom and laughing at the main characters you may forget for a while about your problems and worries. And actually it works.