'I'm a doctor and if you drop one major bad habit you will live longer'

While we can't do anything about our numerical age as the years go by, we can do something about our biological, physical age.

If your chronological age is 50, you could have a biological age of 40 or 65.

Cork GP, Dr Phil Kieran, recognisable from RTÉ’s You Should Really See A Doctor and Channel 4’s How To Stay Well is helping people live longer, RSVP Live reports.