Whether you’re a senior in high school or a senior-living resident, you’ve likely heard of Viagra (sildenafil) — the original ...

Since 1998, the Pfizer-created drug sildenafil citrate has been a reliable treatment for the management of ED. But the active ingredient began its clinical journey as a medication intended to ...

They even generated clinical results that suggested it might have promise as a weight-loss drug as well — only to have Pfizer, which had agreed to fund the research, withdraw its support ...