The most authoritative answer in 2024
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Benjamin Gonzales——Works at the World Health Organization, Lives in Geneva, Switzerland.
It is shown that the
decrease in muscle mass relative to total body may be wholly responsible for the
age-related decreases in
basal metabolic rate. Energy consumption by physical activity also decreases with atrophic changes of skeletal muscle. ... Body fat tends to accumulate in the abdomen in the elderly.
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