RE: Why do older people have a higher tolerance for heart attacks?

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Very interesting post. I have a couple of questions though -
The statistics I am aware if suggest that in-hospital mortality due to myocardial infarction increases with age.


The trend is same for both obstructive and non-obstructive heart attacks. Can you shed some light on data/study that shows that fatality post myocardial infarction is higher in younger people? This is definitely interesting in itself, and would be helpful to look at data.

My second question is regarding angiogenesis itself. Mostly, angiogenesis is not very perfect on older individuals. Furthermore, a lot of angiogenesis happens in damaged sites. Are the additional blood vessels in heart associated with damage? What methods/parameters were used to compare and count these blood vessels?

Thanks and regards