Dutch doctor identifies a post-orgasmic syndrome “A Dutch doctor said Friday he is studying a rare new syndrome among middle-aged men who complain of flu-like symptoms for up to a week after having an orgasm. Marcel Waldinger, head of the department of psychiatry and neurosexology at Leyenburg Hospital in The Hague, said he planned to publish a report on “post-orgasmic illness syndrome” in the U.S. Journal of Sex and Marital Therapy this month.” CNN