Your body may alert you to an upcoming heart attack with 5 key symptoms — often appearing 3 months early
That headline is partly based on real warning signs, but it’s also over-simplified and often exaggerated online. A true heart attack (myocardial infarction) can sometimes be preceded by symptoms days to weeks earlier—especially in people with underlying heart disease—but there is no reliable rule that symptoms appear exactly 3 months in advance. A heart attack …









