The history of frequency-specific microcurrent -- The theoretical foundation for frequency-specific microcurrent -- Treating neuropathic pain -- Treating the discs -- Treating facet joint generated pain -- Treating ligaments and sprain injuries -- Treating muscles, fascia and myofascial trigger points -- Treating fibromyalgia associated with spine trauma -- Treating shingles and oral and genital herpes -- Treating concussion, central pain and emotions -- Frequency-specific microcurrent in clinical practice.