Viagra (Sildenafil): An Evidence‑Based Review in Plain Language
Viagra (Sildenafil) — Evidence‑Based Review (Educational content, not medical advice) Quick summary Viagra is the brand name for sildenafil, a medicine primarily used for erectile dysfunction (ED). Strong evidence shows it improves erections for many men when sexual stimulation is present. It works by improving blood flow, not by increasing sexual desire. Most side effects […]
Feb 07 2026
