Learn about vasospasm—a sudden artery narrowing that can affect the brain, heart, and extremities. Explore its causes, symptoms, and effective treatments.

"Our findings suggest that schisandrin A, a natural compound from traditional herbal medicine, could offer a novel approach to preventing coronary spasms," said lead researcher Dr. Keisuke Obara.

Back pain is difficult to treat because it has so many different causes — and this one is frequently overlooked.

A naturally occurring compound, schisandrin A, can effectively relax pig coronary arteries, potentially paving the way for new treatments to prevent heart attacks caused by vascular spasms.

Coronary artery spasms—sudden narrowing of the arteries supplying the heart—can lead to chest pain (angina) and increase the risk of heart attacks.

Right upper back pain can be caused by a wide range of conditions. Usually, these are treatable at home. Learn about the causes, treatments, and when to see a doctor.

Paul Simon was forced to cancel two shows due to intense back pain in June 2025.

I was suffering from chronic lower back pain for more than three decades. No medication could cure me from the pain.

Paul Simon had to cancel two tour dates due to 'chornic and intense back pain' that required a 'minor surgical procedure.' ...

JORDAN Heading remains bothered by the back spasms that has kept him out for most of the PBA 49th Season Philippine Cup. Heading said his back acted up again during the first game of the ...