Sex surprise: Bald swingers and flat-chested women

“A US study from the late 1960s found that the average male swinger was podgy and balding; the women were relatively flat-chested but "over-endowed" in the "thighs and stomach".

History Professor and author of 'Family Newspapers: Sex, Private Life and the British Popular Press 1918-1978' Dr Adrian Bingham outlines the ‘mundane reality’ of swingers.