Actually, undiagnosed heart disease in young people is a very common problem. A physically fit human specimen with a congenital heart defect can drop dead of myocardial infarction at any time.
Look at high school and college athletics fatalities over the last 30 years; there's been no change in the numbers - just the RWNJ reporting of causal links to the covid vaccine. One of the star examples died in 2017 - 4 years before they even had a vaccine for Covid 19, and 3 years before the disease emerged.
Maybe nut up and take a dose of truth, instead of only believing what your political overlords tell you to?
