The endothelium actively works to keep arteries free from plaques or clots.

In 1967, as his surgery procedure came into more general use, he reported an 80 percent success in keeping transplanted arteries open to pump the blood the heart needs to live and work.

One mechanism seems to be an alcohol-induced increase in protective high-density-lipoprotein (HDL) cholesterol, which helps to keep arteries free of fatty deposits.

The stents, previously approved for use in other parts of the body, are small coils that act as an internal scaffolding to keep arteries from reclosing once they have been unclogged by angioplasty.

How can vegetables keep arteries from narrowing?

Stents coated with drugs to keep arteries from reclogging after being opened in a balloon angioplasty procedure have revolutionized heart care.

Today, troops and riot policemen swarmed the streets, trying to keep main arteries open and government services running.

Animal studies often show that antioxidants keep arteries from clogging.

Officials said the problems affected every plant and every device made by Boston Scientific, whose best-selling product is the Taxus drug-coated stent that doctors use to keep coronary arteries propped open after blockages are removed.

Hormone replacement therapy will protect women from osteoporotic fractures; statin drugs will keep arteries unclogged; drugs now in development will undo stroke paralysis.