Related Questions

How does atherosclerosis cause heart attacks and strokes?

Narrows blood vessel. Hardening of the arteries means a buildup of a fatty plaque like substance on the walls of a blood vessel, which gradually constricts blood flow, and evenually tissue dies due to lack of oxygen. Diabetes, high blood pressure, high cholesterol or triglycerides, and smoking, all can accelerate a heart attack or stroke. Read more...
Clots and Ischemia. Atherosclerosis, an accumulation of white blood cells within the walls of arteries, typically starts in childhood, artery walls thicken & the opening remains unchanged for decades. Rupture of the endothelial lining over the plaque showers clot inducing tissue into the blood blocking arteries downstream occasionally, clots over the rupture block the opening. Yet majority of events are asymptomatic. Read more...

What does atherosclerosis feel like before it leads to a heart attack?

No symptoms... Usually there are no symptoms of atherosclerosis until it is severe enough to block an artery thereby blocking blood flow to a key organ like the heart or brain. Once this happens, a heart attack or stroke can result. So, prevention is the key! Keep your cholesterol level under control with diet, exercise and medication if needed. See your doctor to get your lipid levels checked! Read more...

How could smoking cigarettes precipitate atherosclerosis and heart attack?

In many ways. Cigarette smoking is one of the main factors in the development of arterioes clerosis;one of the mechanisms is by causing alterations in the lipid mole cule levels, such as the hdl lower levels of HDL are very often seen in patients with heart attacks. Read more...
Tobacco use . Smoking is highly correlated with atherosclerosis and increased risk of heart attacks. Some of this is genetic and some is related to increased inflammation from the effects of smoking. Read more...