Chronological age is the years you have been alive and health
age is the physical age your body is. If you are obese and not in
shape for instance or if you smoke a lot, your health age is
probably a lot older then your chronological age.
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chronological age
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It depends on how your chronological age is measured and scored.
Often that is described as your intelligence quotient (or IQ).
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physical age would be the the age that you look and could be
based on your health habits.
chronological age would be like your actual age going up
1,2,3,4....and so on.