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Our heart works to supply blood to the entire body. The heart also needs constant oxygen and nutrition. This work is done by the coronary arteries. When fat (cholesterol), calcium and other substances accumulate in these arteries and create blockage, blood circulation reduces. If this blockage suddenly closes completely, oxygen cannot reach the heart muscles. In such a condition, heart cells start dying and it is called heart attack or myocardial infarction.

The biggest reason for heart attack is blockage in the arteries. But many risk factors work behind this, such as -

• high cholesterol
• high blood pressure
• diabetes
• smoking and tobacco
• obesity
• Decrease in physical activities
• too much tension
• unbalanced diet
• History of heart disease in the family
• Due to these reasons, the arteries gradually start shrinking and the risk of heart attack increases.

Every person may have different symptoms, but some basic symptoms are as follows...

• Feeling severe pain or pressure in the chest.
• Pain spreading to the left arm, shoulder, neck, back, or jaw
• difficulty breathing
• cold sweat
• Vomiting or nausea.
• sudden weakness or dizziness
• Sometimes heart attacks occur in women, elderly people and diabetic patients even without severe chest pain.

According to doctors, to avoid heart attack, a good lifestyle should be adopted. Eat a balanced diet, do regular 30 minutes yoga, stay away from smoking and tobacco, regular checkups of blood pressure, sugar and cholesterol should be done. Get plenty of sleep. Keep distance from tension.

If anyone suddenly notices severe chest pain, shortness of breath or the symptoms mentioned above, then immediately consult the nearest doctor. A person's life can be saved by getting timely treatment.

According to the World Health Organization, every year about 1.79 crore people in the world die due to heart related diseases. 85% of these cases are related to heart attack and stroke.

Content Source: World Health Organization, Centers for Disease Control and Prevention, American Heart Association, Mayo Clinic–Heart attack: Symptoms and causes.