But you had/have diabetes no? If so, that means you ate the wrong foods for a very long time, no? You must have abused your body repeatedly until you got to this point. I can have 10 servings of fruit a day without a problem, but a diabetic can't. A diabetic can't because every time he/she ate the wrong foods a conscious choice was made that I am putting my health at risk.
Some people pay early in life, some pay later. It's the same thing in other areas. And so what if one or two or even 100 people get away with eating high fat, unhealthy foods?
For every person that doesn't have health problems from unhealthy eating, there are hundreds who do.
For most people, high fat junk foods will hunt you, eventually. When and how? You just have to wait and see for yourself.
It's like a teenager playing with fireworks, right? Some will lose a few fingers, some will be VERY LUCKY.
Quoting the whole thing because it's worth doing. This is a great post. Unless someone has been McDougalling since babyhood (which may be the case in a few years but right now there aren't too many middle-aged folks who can say that!), your body has undergone some abuse--how much depends on what you ate, how long you ate it, how much it affected you, what else you did (smoking, second-hand smoke), etc.
I'm fortunate that I went vegan 20+ years ago -- BUT I did not McDougall that entire time. Much of the time I was eating added fats and a lot of them. I know that more than a year of McDougalling has improved my numbers and my health--but it would be foolish to think that doing so has made me somehow invulnerable. I can't know what damage was done by how I lived before, I can't know my genetic tendencies, and I can't know how chemicals I've encountered have affected me.
If I were you I would be happy I survived the heart attack (many don't!) and move on. Keep doing the best you can--that's all you can do!