The term Jnana means Wisdom in Sanskrit and as the name suggests, Jnana Mudra can be described as the gesture of knowledge or wisdom.
According to yogic scriptures, the index finger is supposed to represent ego, while the thumb represents the Universal spirit. The Jnana Mudra symbolizes destruction of ego, as the index finger is held down and conquered by the thumb.
While practicing the Jnana Mudra, make sure that you are sitting comfortably in the meditative pose, with your eyes closed.
Then, you need to -
Jnana Mudra is said to be one of the most therapeutic mudras that a person can practice. Some of the health benefits of this gesture include -
Though there are no known side effects that have been associated with the Jnana Mudra, it is best that one consults a doctor before practicing any yoga gesture.