All Question On One Page true false People have celebrated World Laughter Day for over a quarter of a century. 1 Laughter events can involve thousands of people. 1 Laughter Yoga invites people to remember something that made them laugh. 2 In Laughter Yoga, it is important for the laughter to feel genuine. 2 Laughter has benefits for your mental health, particularly in times of stress. 1 If you pay a small fee, you can watch Dr Kataria's videos online. 2 Norman Cousins was told he had a life-threatening illness. 1 Cousins believed that laughter was the key to his pain relief and recovery. 1