When food doesn't taste good anymore.
Yen
P K
PK
D000368:Aged; D000375:Aging / Q000502:physiology*; D000855:Anorexia / Q000209:etiology* / Q000517:prevention & control; D006801:Humans; D009752:Nutritional Status; D000857:Olfaction Disorders / Q000150:complications*; D013651:Taste Disorders / Q000150:complications*