Professor George Davey-Smith of Bristol University talks to Jim Al-Khalili about why some people have long healthy lives and others do not. Is it down to social class or genetics? Show more
Discover 11,128,835 listings and 279,803 playable programmes from the BBC
Professor George Davey-Smith of Bristol University talks to Jim Al-Khalili about why some people have long healthy lives and others do not. Is it down to social class or genetics? Show more