Supplementary materials for Gelstein et al: Human Tears Contain a Chemosignal BY SHANI GELSTEIN, YAARA YESHURUN, LIRON ROZENKRANTZ, SAGIT SHUSHAN, IDAN FRUMIN, YEHUDAH ROTH, NOAM SOBEL SCIENCE14 JAN 2011 : 226-230 Merely sniffing women's negative emotional tears reduces sexual arousal in men.