Most people believe in some aspects of luck. Is believing in luck something which can empower us or does it mean we give up whatever control we feel we have over our lives?

Mike Williams discusses luck with former professional cricketer Ed Smith, therapist Alexander Anghelou and Cambridge psychologist Mike Aitken. And Mike also visits a casino to meet a reformed gambler.

(Image of a Four Leaf Clover traditionally thought to bring good luck. Credit: Getty)