Calming down an unsettled nerve system, and adding proper positive (good) Energy is the main vehicle to achieve results in those kind of problems. Either acupuncture or herbs can be used. Albert Zhang prefers the former, as it makes a direct connection between him and clients during treatment. Only qualified Chinese medicine practitioners have the ability to bring what they have promised to clients. How to find a good practitioner, is a hard job which needs some wisdom and luck.