Qigong for Strengthening the Kidneys --- Energy flow is the most powerful (and simple) way I know to remove blockages and the Qigong exercises I would recommend as being most cost effective for overcoming fear Strengthening the Kidneys are.
Read this short bit on tongue position for qigong exercises. It is important to get the maximum benefit from energy flow. The devil is in the details, as they say. Pay attention to details and you get more benefit out of qigong exercise.