A Dr. John Preston, PsyD, Psychology, answered. The average age of onset for bipolar disorder is 23, although late-adolescent onset is fairly common. Bipolar disorder can occur as early as 6 years old or as late as 50. Dr. John Preston, PsyD, Psychology, answered. The average age of onset for bipolar disorder is 23, although late-adolescent onset is fairly common. Bipolar disorder can occur as early as 6 years old or as late as 50.
John Richard Schneider III. John Richard Schneider III (born April 8, 1960) is an American actor and singer. He is best known for his portrayal of Bo Duke in the 1980s American television series The Dukes of Hazzard, and as Jonathan Kent on Smallville, a 2001 television adaptation of Superman.
John Schneider of 'Smallville' and 'The Dukes of Hazzard' fame confirms it: He and wife Elly are divorcing. John Schneider, one of TV's original Dukes of Hazzard, confirmed Wednesday that he and his wife of 21 years are getting a divorce.ohn Schneider, left, and former Dukes of Hazzard costar Tom Wopat promote their Christmas album in New York on Dec. 3. John Schneider, left, and former Dukes of Hazzard costar Tom Wopat promote their Christmas album in New York on Dec. 3.