1.   Although no problems have been reported to date, doctors worry that radiation can weaken the artery wall, making it prone to rupture.

2.   And it may increase the fatty deposits that accumulate on artery walls.

3.   Aneurysms typically occur when an artery wall wears out.

4.   A minority in the medical community believes chelation also can clear plaque that forms on artery walls and reverse many circulatory problems.

5.   But smooth muscle cells, like those lining an artery wall, will take up and use so-called naked DNA, the raw genes themselves.

6.   C. pneumonia may be inflicting similar damage to the artery wall.

7.   Cordis makes balloon catheters that open clogged cardiac arteries by pressing plaque against the artery wall.

8.   Excess iron causes cholesterol to adhere to artery walls and increases the incidence of cell mutations that can lead to cancerous growths.

9.   He has discovered in animal experiments that he does not have to put the genes directly onto the smooth muscle cells of the artery wall.

10.   In atherosclerosis, many scientists believe that oxidized fat droplets, circulating in the bloodstream, irritate the artery wall.