Laughter Yoga America, Laughter Clubs, Laughter Therapy: Gain A Leading Edge In Laughter Wellness. We Teach A Systematic Activity Approach To Therapeutic Laughter Exercises That Guarantees Fun And Success To All, Every Time. | Negative Attitude | Laughter Yoga America, Laughter Clubs, Laughter Therapy: Gain a Leading Edge in Laughter Wellness. We teach a systematic activity approach to therapeutic laughter exercises that guarantees fun and success to all, every time.