dr. minkin, who are the women this drug is designed for?this drug is designed for women who have -- the fancy term is hypoactive sexual desire disorder. women who really don't have an interest in having sex is basically the simple way of thinking about it, and this drug is aimed for women who are pre-menopausal, not post-menopausal women, younger women. >> woodruff: what exactly does it do? how is it different? we just mentioned this, but how is it different from the drugs designed for men like viagra? >> first of all, i wish we knew exactly how it works because the chemistry is tricky. basically, this drug works at central effect in the brain affecting serotonin and dop dope activity. it's different than va vie ago - viagra. those are performance drugs, not so much a desire drug. >> reporter: you tell us you plan to prescribe the drug for some of your patients? >> i do plan on pri scribing it under proprietary circumstances with proprietary counseling and ruling out other things going on saying right, this is the right thing to try and we'