Light emitting diode (LED) apparatus for lighting, incorporated into medical instruments; Sensory light therapy unit; Light therapy apparatus for pain relief; Light and electromagnetic therapy apparatus for pain relief; Light therapy apparatus for body slimming; Lasers for the cosmetic treatment of hair follicles; Electronic light therapy apparatus to provide relief from tinnitus; Red light therapy apparatus and instruments for use in treating symptoms of colds, rhinitis, sinusitis, and tinnitus; Red light therapy apparatus and instruments for use in treating hair loss; Nasal devices utilizing light therapy to provide relief from colds, rhinitis, and sinusitis; Medical and surgical apparatus and instruments for use in hair growth promoting and hair loss reducing procedures