An interesting read.
"Among 75- to 85-year-old men, four out of 10 were still having sex, compared with two out of 10 women that age. Women whose partners were still alive, however, were having just as much sex as men, said Lindau."
Full story here...
http://www.cnn.com/2010/HEALTH/03/09...ex.html?hpt=C1