The Human Immunodeficiency Virus (HIV) is one of the worldâs most confusing and complex viruses. In this series, we will strip away the scientific jargon and provide a straightforward guide to HIV with the Elizabeth Glaser Pediatric AIDS Foundation (EGPAF)âs Director of Basic and Clinical Research Jeffrey Safrit.
In the body, L-citrulline is converted to the amino acid L-arginine, which goes on to make another important substance nitric oxide. And nitric oxide is the secret to hard, firm, healthy erections. Heres how it worksâ¦.
How Nighttime Erections Benefit Your Penis Morning wood also serves another important function: It keeps your penis in fighting shape for when it needs to stand at attention in the bedroom. âYour penis is a âuse it or lose itâ organ,â says Dr. KÃ¶hler.