41.   Even though a small number of the teen-agers had clogged arteries, researchers were surprised to see any at all.

42.   He has abandoned the drugs and drink that he and Rossi once celebrated, and that eventually clogged his arteries.

43.   He said the technique eventually could help doctors detect heart disease in women long before major arteries are significantly clogged.

44.   Heart attacks occur when pieces of plaque break off and clog an artery.

45.   In heart disease, proponents say the treatment probably works by reducing the damaging effects of oxygen and perhaps by removing calcium from the buildups that clog the arteries.

46.   In northern Italy, some residents of a similarly isolated village, Limone, were found to carry genes protecting them from fatty deposits that clog arteries.

47.   Inflammation can cause a heart artery to become clogged.

48.   MRI scans are helping doctors predict whether plaque, the fatty material that clogs the arteries, is likely to break open and trigger a heart attack or stroke.

49.   Subsequently, the bacteria is responsible for clogging arteries and triggering heart attacks.

50.   The same bacterium has been detected in the fatty plaques that clog heart arteries, though researchers do not yet know if it is responsible for the clogging.