“…Misdiagnoses can also result from the inappropriate use of tests in older populations normed solely on Vietnam veterans (Davidson, Kudler, Saunders, & Smith, 1990;Hyer et al, 1992), or problems with comorbidity (Boudewyns, Albrecht, Blbert, & Hyer, 1991;Rosen, Fields, Falsettie, & van Karnmen, 1989;Sierles, Chen, McFarland, & Taylor, 1983). Finally, stresses associated with the aging process and later-life events, such as loss of spouse, retirement, and physical impairments (Archibald & Tuddenham, 1965;Elder & Clipp, 1989), may trigger exacerbations after years of relative freedom from symptoms (e.g., Davidson et al, 1990;Kluznik, Speed, Van Valkenburg, & McGraw, 1986;Tait & Silver, 1984).…”