Could ‘super-agers’ help explain how we get old?
Beryl Voss is 88-years-old and is still very active – going hiking on a regular basis and volunteering twice a week at a food hall to help people who are hungry.
She is also part of a study to find out why people like her have aged well and what scientists can learn from her.
BBC Click’s James Clayton finds out more.
See more at Click’s website and @BBCClick