1 Locher JL, Roth DL, Ritchie CS, et al. Body mass index, weight loss, and mortality in community-dwelling older adults. J Gerontol A Biol Sci Med Sci 2007; 62:1389.2 Wallace JI, Schwartz RS, LaCroix AZ, et al. Involuntary weight loss in older outpatients: incidence and clinical significance. J Am Geriatr Soc 1995; 43:329.3 Wilson MM, Vaswani S, Liu D, et al. Prevalence and causes of undernutrition in medical outpatients. Am J Med 1998; 104:56.4 Dolder CR, Nelson MH, Iler CA. The effects of mirtazapine on sleep in patients with major depressive disorder. Ann Clin Psychiatry 2012; 24:215.