how many people in united states die from heat problems
1 Coronary heart disease is the most common type of heart disease, killing nearly 380,000 people annually. 2  In the United States, someone has a heart attack every 34 seconds. 3  Every 60 seconds, someone in the United States dies from a heart disease-related event. About 720,000 people in the U.S. suffer heart attacks each year. 2  Of these, 515,000 are a first heart attack and 205,000 happen in people who have already had a heart attack. 3  In 2011, about 326,200 people experienced out-of-hospital cardiac arrests in the United States.