And deep breathing workouts. One more situation could be the poor pronunciation of mantras, that may be enhanced as a result of frequent practice and guidance from a educated source. ॐ ह्लीं बगलामुखी सर्व दुष्टानां वाचं मुखं पदं स्तम्भय जिव्हां कीलय बुद्धिं विनाशय ह्लीं ॐ स्वाहा ॥ Put into practice https://www.youtube.com/watch?v=AaJ2IkaqQUY