Is Jack Nicholson retiring from show business?

Is Jack Nicholson retiring from show business? »Play Video
Actors Joe Pesci, left, and Jack Nicholson, right, sit courtside at the NBA basketball game between the Portland Trail Blazers and Los Angeles Lakers Friday, March 23, 2012, in Los Angeles. (AP Photo/Danny Moloshok)

Hollywood is abuzz over a report that Jack Nicholson has retired from show business. The gossip site RadarOnline reports that memory issues have driven the 76-year-old star into retirement from acting — a scoop that was later disputed by several other outlets.