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by notlisted 4977 days ago
Heart attacks in young people (under 35) are rarely related to smoking or high cholesterol (unless accompanied by morbid obesitas) and more often undiagnosed heart or congenital issues (hypertrophic cardiomyopathy, et al.), related to drug abuse (cocaine, weight loss drugs) and/or eating disorders (bulimia).

Memento mori, carpe diem, but know that your chances of being struck with heart attacks at a young age are very slim. If it runs in your family, get a screening, but other than that, don't worry too much.