Coronary heart diseases (CHD) also called ischemic heart diseases yasminaways is a leading cause of death worldwide. The heart attacks in addition to considerable fatality rate have also related social, financial and psychological time lasting burden.Heart disease is one of the deadliest killers taking the lives of almost one million Americans each year. Unfortunately, almost half of patients die before hospital arrival. Each of us has a different susceptibility to cardiac disease. This susceptibility is called risk factors. Your fitness level and what you eat plays a major role. Approximately 64 million Americans have cardiovascular disease. Surprisingly; Forty % of those who suffer a heart attack have no clinical complains A silent heart attack is common in diabetics or during an operation under general anesthesia due to impairment of sensation.A heart attack may occur due to heart disease but not always. Disturbance in cardiac rhythms can also called heart attacks and sudden death.Although it is the leading cause of death it can be prevented. Women usually have fewer heart attacks than men due to the cardio-protective action of female hormones but after menopause women catch up to men in the number of heart attacks experienced.A stressful life leads to increase in stress hormones adrenaline and thyroxine causing increase in heart rate and contraction force. In addition to cortisol which cause increase in platelets and red blood cells resulting in increase blood clotting risk. Additionally; Stress hormones also increase blood pressure and blood sugar levels making hypertension and diabetes mellitus out of control.The risk of heart diseases correlates with the number of cigarettes per day and the duration of smoking. If you can’t quit at least decrease the numbers of cigarettes smoked per day. Both active and passive smoking are at risk of heart disea.Disturbed cholesterol profile particularly High levels of LDL is an important risk factor of heart attacks. LDL levels can be lowered by diet, healthy life style exercise and drugs as statins.