Expert profile
Dr. Louis Ignarro
Pharmacologist and Nobel laureate
Nitric oxide signaling and cardiovascular pharmacology
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60 minAnalysed
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About the expert
Focus: Nitric oxide and cardiovascular health
Louis Ignarro, PhD, is a pharmacologist who shared the 1998 Nobel Prize in Physiology or Medicine for discovering nitric oxide as a signaling molecule in the cardiovascular system. He has been associated with nitric-oxide supplement products, a commercial interest worth noting.
Expert discussions with Dr. Louis Ignarro
What is nitric oxide, and how can you support it naturally?
Nitric oxide is a gas the body makes that tells blood vessels to relax and widen. This episode, featuring the scientist who discovered its role, explains why that matters for blood pressure and circulation. It suggests vegetables, exercise, and nasal breathing may support natural production. A separate claim about inhaled nitric oxide for COVID is far less settled.