[Weight loss, thinness and old age].
D000368:Aged; D000375:Aging; D002149:Energy Intake; D006801:Humans; D008136:Longevity; D009748:Nutrition Disorders / Q000209:etiology; D013851:Thinness / Q000209:etiology* / Q000523:psychology
Amaigrissement, maigreur et troisième âge.