Each week in the UK at least 12 people under 35 die of undiagnosed heart conditions.
disease known as Hypertrophic Cardiomyopathy, which causes a thickening of the heart muscle, is responsible for most of these tragedies.
Up until now, diagnosis has only been possible by screening the heart itself. Now researchers have created a blood test that not only detects the condition, but determines how likely it is to prove fatal.
