By Miriam Stoppard Erections are not an easy subject to approach in a daily newspaper but I have to share a study that sheds light on a problem that affects many men. This fascinating research was performed on mice because in the area of erectile dysfunction, human beings apparently have a lot in common with mice. Having erections frequently seems to be the key to it all, according to researchers at the renowned Karolinska Institutet in Sweden. Principal investigator, Christian Goritz, says: “We discovered that an increased frequency of erections leads to more fibroblasts that enable erect…