There are many causes of heart attacks. Nervous tension is one of the most common causes of it; there some people who have weak nervous system tense themselves. They can’t control themselves hearing some sudden shacking news. These people are caused heart attacks. Another reason is the wrong food habits specially taking highly fatty foods. These kinds of foods cause of heart block. Smocking is another cause of heart attacks. It changes the natural metabolism of the body. In a word there are many reasons for heart attacks nervous tension, wrong food habits, smoking etc. are the most common causes of the heart attacks.