Causes of Coronary Heart Disease and Heart Attacks

Coronary heart disease (CHD) is caused by a buildup of plaque inside the coronary arteries that supply oxygen-rich blood to the heart muscle. The plaque buildup, which is made up of cholesterol, fat, calcium, and other substances, narrows and hardens the arteries, leading to a condition called atherosclerosis. This can reduce or block blood flow to the heart, causing angina or a heart attack.

Some of the factors that contribute to the development of CHD and heart attacks include:

1. High blood pressure
2. High cholesterol levels
3. Diabetes
4. Smoking
5. Obesity
6. Physical inactivity
7. Family history of heart disease
8. Age and gender (men are more likely to develop CHD than women, and the risk increases with age)

Other factors that may increase the risk of CHD include stress, excessive alcohol consumption, and a diet high in saturated and trans fats.