A genetic variant that increases risk for atrial fibrillation also impacts the response to a common therapy for the heart rhythm disorder.

Diseases associated with mutations and changes in expression of the protein caveolin may result from faulty trafficking of the protein to the cell surface.

Antacids that block a certain enzyme pose a risk for a common cardiac problem in premature infants.

A factor produced by most malignant cells can both promote and inhibit tumor growth – an insight that is critical to using cancer drugs developed to block this factor.

A “profile” of the genes and regulatory networks that govern early heart valve development lay the groundwork for generating valves from a patient’s own cells.

Eating fava beans increases dopamine in blood and urine, but does not stimulate urinary sodium excretion.

An immune system factor associated with severe asthma may actually reduce asthma attacks induced by viral infections.