Donal Daiden has been writing professionally for more than five years. He has written more than 500 online articles for several medical websites, including MedExpressRx: Health & Wellness, a place where you get info on how does ED medication work. He has a reputation for writing well-researched articles.
Website: https://www.medexpressrx.com/health-wellness/erectile-dysfunction-symptoms-causes-diagnosis-treatments-medications.aspx