An apparatus for stimulation of the body, including sexual stimulation, includes a body, formed by a bathing or showing sponge, with a compartment for holding a stimulating apparatus, such as a vibrator. A plurality of rules are analyzed using a forward-inferencing rules engine to determine whether one or more of the rules are satisfied based on the data. Methods for using the treated peracid compositions for treatment of drilling fluids, frac fluids, flow back waters and disposal waters are also disclosed for improving water condition, reducing oxidizing damage associated with hydrogen peroxide andor reducing bacteria infestation. Also provided are methods for diagnosing, treating, preventing, andor prognosing disorders related to the prostate, including cancer.