Your pup may be older than you think. Another reason to let sleeping dogs lie.
A new study reveals that older adults -- even those chronically ill -- feel at least 20 years younger than their chronological age. What are the implications for those who run seniors centres?
If an undocumented migrant is a minor or an adult can have far-reaching implications. A forensic anthropologist explains why relying solely on dental X-rays to determine age doesn't work.
We may not be able to 'age backwards', as some jellyfish do, but research is slowly revealing the secrets of successful ageing for humans.