Tinnitus ( /tɪˈnaɪtəs/ or /ˈtɪnɪtəs/; from the Latin word tinnītus meaning "ringing") is the perception of sound within the human ear in the absence of corresponding external sound. Tinnitus is not a disease, but a condition that can result from a wide range of underlying causes: neurological damage (multiple sclerosis), abnormally loud sounds in the ear canal for even the briefest period (but usually with some duration), ear infections, foreign objects in the ear, nasal allergies that prevent (or induce) fluid drain, or wax build-up. Withdrawal from a benzodiazepine addiction may cause tinnitus as well. In-ear headphones, whose sound enters directly into the ear canal without any opportunity to be deflected or absorbed elsewhere, are a common cause of tinnitus when volume is set beyond moderate levels.

Tinnitus may be an accompaniment of sensorineural hearing loss or congenital hearing loss, or it may be observed as a side effect of certain medications. However, the most common cause is noise-induced hearing loss.

William Alan Shatner (born March 22, 1931) is a Canadian actor, musician, recording artist, author and film director. He gained worldwide fame and became a cultural icon for his portrayal of James T. Kirk, captain of the USS Enterprise, in the science fiction television series Star Trek from 1966 to 1969, Star Trek: The Animated Series from 1973 to 1974, and in seven of the subsequent Star Trek feature films from 1979 to 1994. He has written a series of books chronicling his experiences playing Captain Kirk and being a part of Star Trek, and has co-written several novels set in the Star Trek universe. He has also authored a series of science fiction novels called TekWar that were adapted for television.

Shatner also played the eponymous veteran police sergeant in T. J. Hooker from 1982 to 1986. Afterwards, he hosted the reality-based television series, Rescue 911 from 1989 to 1996, which won a People's Choice Award for Favorite New TV Dramatic Series. He has since worked as a musician, author, producer, director and celebrity pitchman. From 2004 to 2008 he starred as attorney Denny Crane in the television dramas The Practice and its spin-off Boston Legal for which he won two Emmy Awards and a Golden Globe Award.

Larry Lamb may refer to: