The term that refers to changes thought to be a typical or expected part of aging, such as increased body fat, declining bone mass, and increasingly poor health is usual aging.
Aging may be defined as the process of becoming old and losing physical strength due to senescence.
Aging leads to increased body fat, declining bone mass, increased poor health, surrounded by a number of diseases, etc.
Therefore, the term that refers to changes thought to be a typical or expected part of aging, such as increased body fat, declining bone mass, and increasingly poor health is usual aging.
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