If you are a man and your ability to have sex is flagging, the market offers a host of prescription medications for treatment. If you are a woman and find yourself in a similar situation, you have no Food and Drug Administration-approved treatment available to you. Yet researchers say that up to a third of adult American women suffer from some kind of sexual dysfunction. One drug, flibanserin, was recently resubmitted for approval to the FDA, which has turned it down twice already. When that non-hormonal drug first entered the public consciousness, the press quickly labeled it “female Viagra,” but that’s not accurate.