The study is the first to review what the experts believe is the ideal length of time to have penetrative sex, with the random sample of Americans and Canadians labeling seven to 13 minutes most ‘desirable’.
The study found that one in 10 sexually active over-fifties did not use any form of contraception.
http://www.ibnlive.com/news/sexedup-fifties-put-sexual-health-at-risk/57834-17.html
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