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Too many sisters affect male sexuality

Growing up with lots of sisters makes a man less sexy. For rats, anyway. A new study published in Psychological Science, a journal of the Association for Psychological Science, finds that the sex ratio of a male rat's family ...

dateOct 21, 2010 in Psychology & Psychiatry
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New survey on sex in US, biggest since 1994

(AP) -- The male-female orgasm gap. The sex lives of 14-year-olds. An intriguing breakdown of condom usage rates, by age and ethnicity, with teens emerging as more safe-sex-conscious than boomers.

dateOct 04, 2010 in Health
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