Mudra hand gestures or poses are often used in yoga practice, meditation, and for healing purposes.

Tibetan Singing Bowls for Healing

"We believe that things that decrease stress actually increase the number of stem cells that you have in your body and in your blood....The future is using nature's tools to promote our body's ability to heal itself...(through) teaching you tools that let your body do that...(whether it's) meditation or whatever."