Viagra for Beginners Guide (Paperback)

Viagra (sildenafil) is a drug commonly used to treat ED, a condition that over 150 million people worldwide are estimated to be affected by.

Commonly known as “the little blue pill,” Viagra has raked in billions for pharmaceutical giant Pfizer since its 1998 release.

Viagra is an oral medication used to treat erectile dysfunction (ED) in men. An erection occurs when blood flow increases into the penis, making it expand and become firm. Two long chambers inside the penis called the corpora cavernosa contain spongy tissue that collects blood flowing into the chambers, creating pressure that results in the expansion of the penis.

Viagra works by blocking certain naturally occurring enzymes in the body, causing blood vessels to dilate and enhancing blood flow to the penis.

Viagra, as a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5), works to block certain naturally occurring enzymes in the body, causing blood vessels to relax and enhancing blood flow to the penis. Viagra does not automatically cause an erection; rather, it assists a man with ED in obtaining and keeping an erection when sexually aroused or stimulated.

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