A person’s chronological and biological ages may differ.
Biological age is affected by many factors, including diet and exercise.
If someone is especially healthy and fit, they may be biologically younger than their chronological age.

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Chronological vs.
However, biological age is multifaceted and influenced by genetics and lifestyle factors.
It is calculated by analyzing a person’s DNA.
What Is the Difference Between Chronological Age and Developmental Age?
Experts use certain milestonessuch as language and walkingto track how a child is developing mentally and physically.
How Biological Age Is Determined
The DNA in a person’s cells changes predictably over time.
Determining biological age requires a laboratory test.
Determining your biological age requires medical tests for telomere length and biomarkers of DNA methylation.
Unlike chronological age, your biological age can be changed.
Talk to your healthcare provider before making significant changes in your diet or activity level.
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