The present invention is directed to a system and method for managing a prepaid wireless account for voice and data communications services. This invention further relates to methods of preparation and use of the systems, pharmaceutical compositions and preparations to treat persons having ADD, ADHD, autism, cystic fibrosis and other behavioral and neurological disorders. An implanted adjustment device is adapted to adjust the prosthesis such that the penis can be temporarily erected. At least a pair of permanent magnetic elements mounted at the top and bottom of the evacuated tube to levitate the capsule. The enzyme can be produced from native or recombinant host cells and can be used to aid in the digestion of phytate where desired. The method comprises steps of generating at least one parameter value representing the reflected energy, and regulating the interaction of said impact element with said tool at least partially based on said value or values to control the rise time andor length of said shock wave.