Cat Deeley gasps 'I might actually cry' learning her 'biological age'

Cat Deeley gasped when she learned her 'biological age' live on This Morning and revealed a particularly unhealthy habit. Presenter duo Ben Shephard and Cat hosted Thursday's instalment of the ITV show and sat down with Dr Alka Patel. The pair had undergone a series of tests to determine their 'biological age', which refers to the physiological state of someone's body.