Surat (Gujarat), Mar 14 (ANI): Students in Surat laughed their hearts out during a laughter yoga therapy session. The event was organised to commemorate the establishment of world's first laughter club in Mumbai. Laughter is the best medicine and the ability to laugh is probably unique to humans, said Laughter Yoga Instructor. A large number of students who turned up for the session were seen enjoying every moment of the therapy as they giggled, chuckled and hooted with laughter guided by Masalawala. Laughter Yoga is a form of yoga involving prolonged voluntary laughter.