Yup. I know this all too well. When I was younger, my best friend was a soccer player and in great shape. He woke up one morning, went to take a shower before s

Yup. I know this all too well. When I was younger, my best friend was a soccer player and in great shape. He woke up one morning, went to take a shower before school, and just dropped dead in the shower. There was nothing anyone could do. Undiagnosed hypertrophic cardiomyopathy.