men and women on antidepressants have sexual problems and they responded to viagra, the viagra used in men. so that's not off the table either for women. >> you have used it for women? >> absolutely, women on antidepressants. it's a technical thing. as david mentioned, it improves blood flow to the area. that shouldn't be a problem with women but studies show when they're on specific antidepressants that is -- >> talk to the doctor that's describing. >> absolutely. >> let me jump some. this point is important because female sexual dysfunction is multifactorial and then you have different groups causing different -- the one that marc is talking about, the ones that may have a problem with lubrication, blood flow, perhaps viagra may help in those group of patients. >> please don't try it without talking to your doctor.