The gene, called CDH2, causes arrhythmogenic right ventricle cardiomyopathy (ARVC), which is a genetic disorder that predisposes patients to cardiac arrest and is a major cause of unexpected death in seemingly healthy young people. The discovery, published in Circulation: Cardiovascular Genetics, is the result of international collaboration that began 15 years ago. It is led by a South African team headed by Bongani Mayosi, a professor of cardiology at the University of Cape