I did a short and definitely unscientific test by using two search terms on PubMed, a database containing 27 million citations from journals and books. “Premenstrual” had 5,496 citations. “Erectile dysfunction” had 21,672. Erectile dysfunction must be distressing. But does it debilitate 90 percent of men for at least two days a month? Does it damage their ability to work, think, live? Premenstrual syndrome is so poorly understood, its existence continues to be questioned, though not by me.
