Erection problems: MedlinePlus Medical Encyclopedia
Aug 25, 2020·To get an erection, your brain, nerves, hormones, and blood vessels all need to work together. If something gets in the way of these normal functions, it can lead to erection problems. An erection problem is usually not "all in your head." In fact, most erection problems have a physical cause. Below are some common physical causes. Disease ...
Contact supplier