India, May 5 -- If you feel stressed, anxious, or overwhelmed, and want a quick way to boost your mood, turn to laughter yoga. Founded by Dr Madan Kataria, who also started the Laughter Yoga movement, World Laughter Day is observed annually with the aim to create awareness about the importance of laughter and the benefits of staying happy. Considering that laughter is often said to be the best medicine, laughter yoga is a natural tool that can relieve stress and re-establish calm....