BBC journalist Gem O’Reilly was 16 when she was identified with a coronary heart situation.
Now, 10 years later she’s been signed off to run lengthy distance.
Gem’s situation, if unknown, could doubtlessly cause sudden death by means of cardiac arrest and she or he isn’t alone.
Every week within the UK, 12 younger people die from an undiagnosed coronary heart situation.
Reporter and producer: Gem O’Reilly
Camera: Jamie Moreland & Vince Rogers