The statement 'two different 70-year-olds can have completely different health statuses' is TRUE. Health is a result of both environmental and genetic factors instead of only age.
Health is a physical and mental condition of well-being by which a person can develop his/her maximum potential.
The aging of a person is a process that occurs in an independent mode of different physiological pathways (e.g., maintenance, repair, defense).
In consequence, although aging is often associated with different diseases, aging in itself is not a disability/disease condition, thereby a person may have 70 years old and exhibit excellent physical/mental conditions.
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