causes

• stress increases blood pressure putting pressure on the heart
• lack of exersize increases blood pressure and cholesterol
• nicotine raises heart rate leading to blood clots
• saturated fats increase cholesterol and lead to CHD
• sugary foods increase the risk of obiesity putting strain on the heart
• in rich countries the cheapest food is often unhealthy and full of saturated fat meaning the poor are more likely to developed heart disease