His research showed that nitric oxide widens blood vessels and increases blood flow. He was not directly involved in the development of Viagra, nor was he paid royalties for the sale of the drug.

Ferid Murad, a pharmacologist who shared a Nobel Prize in 1998 for discovering that nitric oxide, an air pollutant, plays a key role in relaxing blood vessels, a startling finding that led to ...

Nitric oxide is a trending search term on TikTok, as voices in the wellness space tout the efficacy of supplements for enhancing physical performance, muscle recovery and endurance.. But dietitian ...