Science Friday Edit this Published in Science Friday SciFri: Medicine's Gender Gap Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe width="600" height="130" frameborder="0" scrolling="no" src="//www.wnyc.org/widgets/ondemand_player/wnyc/#file=json/355898"></iframe> Share on Facebook Share on Twitter Email a Friend Heart disease is the leading cause of death for American women. Yet women make up only a third of subjects in cardiovascular clinical trials.