By Robert Gorter, MD, PhD, Robert Gorter, MD, PhD, is emeritus professor of the University of California San Francisco (UCSF) Dr. Robert Gorter: “Nocturnal penile tumescence (abbreviated as NPT), also known colloquially as morning wood, morning erections, or morning glory, is a spontaneous erection of the penis during sleep or when waking up. All men
By Robert Gorter, MD, PhD, Robert Gorter, MD, PhD, is emeritus professor of the University of California San Francisco (UCSF) Bacterias and other micro-organisms play a crucial role in making life possible on earth; No bacterias, no life! Dr. Robert Gorter: “This article tries to give an overview of the development of bacterias and