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As people age, one of the things that happen to their fluids, especially those produced by exocrine glands, is that it is produced in lesser volumes. As a result their senses of smell and taste seem to diminish. That is one reason why elderly people either loose interest in eating or get undernourished, or they crave spicier food. In some cases their appreciation for food may even increase for no apparent reason other than maybe their lives have less stress and so their body actually produces more saliva.

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11y ago

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