Unintentional weight loss and malnutrition are common problems in the elderly. Taste and smell changes, as well as feelings of loneliness and depression, contribute to decreased appetite, while many elderly people may eat less because of chewing difficulties, fatigue, and social reasons. If bones decrease in density, then osteoporosis (bone loss) develops over time. Bone degeneration is due not only to calcium deficiency but also partly to genetics. These changes can contribute to decreased food intake, unintentional weight loss and malnutrition. Not everyone experiences all these changes.
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