What are the physiological changes in elderly and how do they influence the food/nutrient needs?

As individuals age, several physiological changes occur in the body that influence their nutritional needs and food intake. These changes can affect metabolism, digestion, absorption, and the body's ability to utilize nutrients.

1. Reduced Basal Metabolic Rate (BMR): As people age, there is a natural decline in BMR, which refers to the energy expended while at rest. This decrease in BMR means that elderly individuals require fewer calories to maintain body functions. However, despite lower calorie needs, the need for essential nutrients like proteins, vitamins, and minerals often remains high or even increases due to changes in health status.

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