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¦.
-- An Introduction. Cialis is very effective at treating erectile dysfunction. The medication works by allowing the arteries in the penis to open wider so more blood can flow into the penis. This results in an improved erection. For an enlarged prostate, it probably works by relaxing the prostate and the bladder. To understand how Cialis works, it may be helpful to understand erections.