Viagra and sildenafil are effective treatment options for ED, but they both require a prescription. As a result, you cannot buy them over the counter (OTC) — they require a consultation with a ...

In summary: it is a common condition, and the US military pays for the healthcare of millions of men, meaning it spends a lot on Viagra and other such drugs.

New Cleveland Clinic-led research points to sildenafil (Viagra) as a potential treatment for Alzheimer's disease. The study provides evidence from computational models, insurance claims data and ...