BBC and Google have used it in their offices Oprah Winfrey promoted it on her show Aamir Khan loved it on Satyamev Jayate Mira Nair filmed a documentary, The Laughing Club of India, on it Laughter yoga is a revolutionary idea: simple and profound. A practice involving prolonged voluntary laughter, it is based on scientific studies that have concluded that such laughter offers the same physiological and psychological benefits as spontaneous laughter. Today, laughter yoga has become popular worldwide as a complete workout. It is practised in more than 100 countries, with as many as 2.5 lakh people laughing out loud in India alone. This comprehensive book by the founder of the laughter yoga club movement, Dr Madan Kataria, tells you what laughter yoga is, how it works, what its benefits are and how you can apply it to everyday life.