ASPEN	American Society for Parenteral and Enteral Nutrition
BMI	body mass index
CCK	cholecystokinin
CNS	central nervous system
COVID-19	coronavirus disease 2019
DoMAP	Determinants of Malnutrition in Aged Persons
DNA	deoxyribonucleic acid
ESPEN	European Society of Clinical Nutrition and Metabolism
Fe	iron
FELANPE	Federación Latinoamericana de Terapia Nutricional, Nutrición Clínica y Metabolismo
FGF21	fibroblast growth factor 21
GLIM	Global Leadership Initiative on Malnutrition
HIV/AIDS	human immunodeficiency virus/acquired immunodeficiency syndrome
ICU	intensive care unit
IL	interleukin
MNA	Mini Nutritional Assessment
PENSA	The Parenteral and Enteral Nutrition Society of Asia
PEM	protein-energy malnutrition
PEU	protein-energy undernutrition
(PG-) SGA	(Patient-Generated) Subjective Global Assessment
PYY	peptide YY
SASP	senescence-associated secretory phenotype
TNF-α	tumour necrosis factor alpha
WHO	World Health Organization
Zn	zinc