Augsburg cohort study, 1994‐2005. Nutrition. 2011; 27(5):534–542.
4 4. Leandro‐Merhi VA, de Aquino JL, Sales Chagas JF. Nutrition status and risk factors associated with length of hospital stay for surgical patients. JPEN J Parenter Enteral Nutr. 2011; 35(2):241–248.
5 5. Lelli D, Calle A, Perez LM, et al. Nutritional status and functional outcomes in older adults admitted to geriatric rehabilitations: The SAFARI Study. J Am Coll Nutr. 2019; 38(5):441–446.
6 6. Organization WH. What is malnutrition? 2016. Accessed December 13, 2019. https://www.who.int/features/qa/malnutrition/en.
7 7. Jensen GL, Cederholm T, Correia M, et al. GLIM Criteria for the diagnosis of malnutrition: a consensus report from the global clinical nutrition community. JPEN J Parenter Enteral Nutr. 2019; 43(1):32–40.
8 8. Bernstein M, Munoz N. Academy of Nutrition and Dietetics. Position of the Academy of Nutrition and Dietetics: food and nutrition for older adults: promoting health and wellness. J Acad Nutr Diet. 2012; 112(8):1255–1277.
9 9. Kaiser MJ, Bauer JM, Ramsch C, et al. Frequency of malnutrition in older adults: a multinational perspective using the mini nutritional assessment. J Am Geriatr Soc. 2010; 58(9):1734–1738.
10 10. Cereda E, Pedrolli C, Klersy C, et al. Nutritional status in older persons according to healthcare setting: A systematic review and meta‐analysis of prevalence data using MNA(R). Clin Nutr. 2016; 35(6):1282–1290.
11 11. Global BMIMC, Di Angelantonio E, Bhupathiraju Sh N, et al. Body‐mass index and all‐cause mortality: individual‐participant‐data meta‐analysis of 239 prospective studies in four continents. Lancet. 2016; 388(10046):776–786.
12 12. Somes GW, Kritchevsky SB, Shorr RI, Pahor M, Applegate WB. Body mass index, weight change, and death in older adults: the systolic hypertension in the elderly program. Am J Epidemiol. 2002; 156(2):132–138.
13 13. Willett WC, Dietz WH, Colditz GA. Guidelines for healthy weight. N Engl J Med. 1999; 341(6):427–434.
14 14. Stessman J, Jacobs JM, Ein‐Mor E, Bursztyn M. Normal body mass index rather than obesity predicts greater mortality in elderly people: the Jerusalem longitudinal study. J Am Geriatr Soc. 2009; 57(12):2232–2238.
15 15. Schoenborn CA, Adams PF, Barnes PM. Body weight status of adults: United States, 1997‐98. Adv Data. 2002( 330):1–15.
16 16. Chumlea WC, Garry PJ, Hunt WC, Rhyne RL. Distributions of serial changes in stature and weight in a healthy elderly population. Hum Biol. 1988; 60(6):917–925.
17 17. Wallace JI, Schwartz RS, LaCroix AZ, Uhlmann RF, Pearlman RA. Involuntary weight loss in older outpatients: incidence and clinical significance. J Am Geriatr Soc. 1995; 43(4):329–337.
18 18. Newman AB, Yanez D, Harris T, Duxbury A, Enright PL, Fried LP. Weight change in old age and its association with mortality. J Am Geriatr Soc. 2001; 49(10):1309–1318.
19 19. Rumpel C, Harris TB, Madans J. Modification of the relationship between the Quetelet index and mortality by weight‐loss history among older women. Ann Epidemiol. 1993; 3(4):343–350.
20 20. Evans WJ, Campbell WW. Sarcopenia and age‐related changes in body composition and functional capacity. J Nutr. 1993; 123(2 Suppl):465–468.
21 21. Evans WJ, Morley JE, Argiles J, et al. Cachexia: a new definition. Clin Nutr. 2008; 27(6):793–799.
22 22. Muscaritoli M, Anker SD, Argiles J, et al. Consensus definition of sarcopenia, cachexia and pre‐cachexia: joint document elaborated by Special Interest Groups (SIG) ‘cachexia‐anorexia in chronic wasting diseases’ and ‘nutrition in geriatrics’. Clin Nutr. 2010; 29(2):154–159.
23 23. Wurtman JJ, Lieberman H, Tsay R, Nader T, Chew B. Calorie and nutrient intakes of elderly and young subjects measured under identical conditions. J Gerontol. 1988; 43(6):B174–180.
24 24. Clarkston WK, Pantano MM, Morley JE, Horowitz M, Littlefield JM, Burton FR. Evidence for the anorexia of aging: gastrointestinal transit and hunger in healthy elderly vs. young adults. Am J Physiol. 1997; 272(1 Pt 2):R243–248.
25 25. Briefel RR, McDowell MA, Alaimo K, et al. Total energy intake of the US population: the third National Health and Nutrition Examination Survey, 1988‐1991. Am J Clin Nutr. 1995; 62(5 Suppl):1072s–1080s.
26 26. Koehler KM. The New Mexico Aging Process Study. Nutr Rev. 1994; 52(8 Pt 2):S34–37.
27 27. Sjogren A, Osterberg T, Steen B. Intake of energy, nutrients and food items in a ten‐year cohort comparison and in a six‐year longitudinal perspective: a population study of 70‐ and 76‐year‐old Swedish people. Age Aging. 1994; 23(2):108–112.
28 28. Sahyoun NR, Otradovec CL, Hartz SC, et al. Dietary intakes and biochemical indicators of nutritional status in an elderly, institutionalized population. Am J Clin Nutr. 1988; 47(3):524–533.
29 29. Roberts SB, Fuss P, Heyman MB, et al. Control of food intake in older men. JAMA. 1994; 272(20):1601–1606.
30 30. Morley JE. Pathophysiology of the anorexia of aging. Curr Opin Clin Nutr Metab Care. 2013; 16(1):27–32.
31 31. Doty RL, Shaman P, Applebaum SL, Giberson R, Siksorski L, Rosenberg L. Smell identification ability: changes with age. Science. 1984; 226(4681):1441–1443.
32 32. Rolls BJ, McDermott TM. Effects of age on sensory‐specific satiety. Am J Clin Nutr. 1991; 54(6):988–996.
33 33. Johnson KO, Shannon OM, Matu J, Holliday A, Ispoglou T, Deighton K. Differences in circulating appetite‐related hormone concentrations between younger and older adults: a systematic review and meta‐analysis. Aging Clin Exp Res. 2019.
34 34. MacIntosh CG, Sheehan J, Davani N, Morley JE, Horowitz M, Chapman IM. Effects of aging on the opioid modulation of feeding in humans. J Am Geriatr Soc. 2001; 49(11):1518–1524.
35 35. Horwitz BA, Blanton CA, McDonald RB. Physiologic determinants of the anorexia of aging: insights from animal studies. Annu Rev Nutr. 2002; 22:417–438.
36 36. Martinez M, Hernanz A, Gomez‐Cerezo J, Pena JM, Vazquez JJ, Arnalich F. Alterations in plasma and cerebrospinal fluid levels of neuropeptides in idiopathic senile anorexia. Regul Pept. 1993; 49(2):109–117.
37 37. Silver AJ, Morley JE. Role of the opioid system in the hypodipsia associated with aging. J Am Geriatr Soc. 1992; 40(6):556–560.
38 38. Baranowska B, Radzikowska M, Wasilewska‐Dziubinska E, Roguski K, Polonowski A. Relationship among leptin, neuropeptide Y, and galanin in young women and in postmenopausal women. Menopause. 2000; 7(3):149–155.
39 39. Giustina A, Licini M, Bussi AR, et al. Effects of sex and age on the growth hormone response to galanin in healthy human subjects. J Clin Endocrinol Metab. 1993; 76(5):1369–1372.
40 40. Matsumura T, Nakayama M, Nomura A, et al. Age‐related changes in plasma orexin‐A concentrations. Exp Gerontol. 2002; 37(8‐9):1127–1130.
41 41. Kirchgessner AL. Orexins in the brain‐gut axis. Endocr Rev. 2002; 23(1):1–15.
42 42. Kappeler L, Gourdji D, Zizzari P, Bluet‐Pajot MT, Epelbaum J. Age‐associated changes in hypothalamic and pituitary neuroendocrine gene expression in the rat. J Neuroendocrinol. 2003; 15(6):592–601.
43 43. Sohn EH, Wolden‐Hanson T, Matsumoto AM. Testosterone (T)‐induced changes in arcuate nucleus cocaine‐amphetamine‐regulated transcript and NPY mRNA are attenuated in old compared to young male brown Norway rats: contribution of T to age‐related changes in cocaine‐amphetamine‐regulated transcript and NPY gene expression. Endocrinology. 2002; 143(3):954–963.
44 44. Beglinger C, Degen L, Matzinger D, D'Amato M, Drewe J. Loxiglumide, a CCK‐A receptor antagonist, stimulates calorie intake and hunger feelings in humans. Am J Physiol Regul Integr Comp Physiol. 2001; 280(4):R1149–1154.
45 45. MacIntosh CG, Andrews JM, Jones KL, et al. Effects of age on concentrations of plasma cholecystokinin, glucagon‐like