Archives of Sexual Behavior

Medical research

Progesterone and bisexuality: Is there a link?

Bisexuality is quite common among men and women whose mothers received additional doses of the sex hormone progesterone while pregnant. This is one of the findings of a study led by June Reinisch, Director Emerita of The ...

Health

Why some bisexual men stay in the closet

Research conducted at Columbia University's Mailman School of Public Health and Public Health Solutions examined the reasons why men who have had sex with both men and women choose not to disclose their sexual orientation—particularly ...

Other

Older men who purchase sex do so more frequently as they age

Older American male customers of sex workers pay for more sex as they age. These findings are reported in a study which surveyed older American men who frequent sex work websites and discussion boards. It was conducted by ...

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