Heart disease isn’t contagious — you can’t catch it like you can the flu or a cold. Instead, certain things increase a person’s chances of getting cardiovascular disease. Doctors call these things risk factors.
How does the heart disease spread?
A buildup of fatty plaques in your arteries (atherosclerosis) is the most common cause of coronary artery disease. Unhealthy lifestyle habits, such as a poor diet, lack of exercise, being overweight and smoking, can lead to atherosclerosis.