Although many people think of a heart attack as a painful, sometimes fatal event, there are some heart attacks that go entirely unnoticed. Undiagnosed, or “silent,” heart attacks affect nearly 200,000 people in the United States annually
Daily News Channel
Although many people think of a heart attack as a painful, sometimes fatal event, there are some heart attacks that go entirely unnoticed. Undiagnosed, or “silent,” heart attacks affect nearly 200,000 people in the United States annually