The reasons for this choice vary; but most often, a man would choose to use a penis enlargement cream or penis enlargement oil because its effects are immediate, rather than a penis enlargement medicine which needs to about an hour before sex.
Viagra makes use of methodology No. 3 -- it eliminates the PDE that's decomposing the cGMP, so cGMP builds up in the penis and has a bigger effect on the artery walls.
The prevalence of ED increases with age and can be influenced by a variety of factors including psychological issues, health conditions like diabetes and heart disease, and certain medications.
