Take the test: What's my real age?

In BBC One's How To Stay Young, Dr Chris van Tulleken found out his biological age. Our bodies can’t escape wear and tear, but we can limit the damage. Click or tap below to take the quiz and then learn what changes could improve your health.

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Your real age score is intended to give you an approximate understanding of your health in comparison to the rest of the population. This content is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or other health care professional. Always consult your own GP if you are in any way concerned about your health.