For nearly 40 years, the US government conducted an experiment on a group of African-American men without their knowledge - to see what happened if syphilis was left untreated. Show more
Discover 11,128,835 listings and 277,381 playable programmes from the BBC
For nearly 40 years, the US government conducted an experiment on a group of African-American men without their knowledge - to see what happened if syphilis was left untreated. Show more
The BBC's international radio station
