The Wandering Japanese Research shows that when the Japanese migrate, they develop the diseases or their adopted country; mainly, it is believed, because of changes in diet and eating habits. As lifestyles around the world become homogenised, should we now be studying diet worldwide to see if we can find clues to the prevention of ' western ' disease before it's too late?
Dr Tony Smith , deputy editor of the British
Medical Journal, discusses recent research with Bill Breckon.
Producer SUSAN SNAILUM