RT Book, Section A1 Yukawa, Michi A2 Williams, Brie A. A2 Chang, Anna A2 Ahalt, Cyrus A2 Chen, Helen A2 Conant, Rebecca A2 Landefeld, C. Seth A2 Ritchie, Christine A2 Yukawa, Michi SR Print(0) ID 1100070159 T1 Defining Adequate Nutrition for Older Adults T2 Current Diagnosis & Treatment: Geriatrics, 2e YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-179208-0 LK accessmedicine.mhmedical.com/content.aspx?aid=1100070159 RD 2024/04/24 AB Weight loss and malnutrition are common in older adults. Previous studies have reported that 17% to 65% of hospitalized geriatric patients and up to 59% of geriatric residents in institutions suffered from malnutrition. Over the past 15 years, however, obesity in older adults has increased. Despite an overall weight increase, obese older patients lose lean mass and remain at risk for functional decline and other medical complications much as do older adults with involuntary weight loss. There remains controversy regarding the appropriateness of advocating for weight loss in older adults with body mass index (BMI) greater than 35, which is discussed later in this chapter.