Electrically-powered apparatus for treating skin by applying low level light and sonic vibrations to the skin; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electronic light therapy apparatus for the skin; Lasers for medical purposes; Lasers for the cosmetic treatment of the face and skin; Lasers for the cosmetic treatment of the face, skin and hair follicles; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of collagen; Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Massage apparatus; Medical and therapeutic device and apparatus, namely, a force and motion sensing apparatus and assisted exercise machine for the rehabilitation of hands and wrists, feet and ankles and knees affected by neuromuscular diseases, disorders, or injuries for home or clinical use; Medical apparatus and instruments for treating osteoarthritis and osteoporosis; Medical apparatus and instruments for treating osteoarthritis, osteoporosis, osteotraumatic injuries, degenerative bone diseases and joint diseases; Phototherapeutic apparatus for medical purposes; Phototherapeutic apparatus for medical purposes, namely, a LED (light-emitting diode) light source for medical and aesthetic skin treatments; Phototherapeutic apparatus for the treatment of jaundice; Skin care analyzers and light therapy equipment, namely, a black-light blue lamp unit for use in identification of a variety of skin conditions