Instead, new medical devices allow valves to be fixed or replaced with tiny catheters that are snaked up from the groin, similar to the way stents are implanted in the heart to open clogged arteries when people have heart attacks or pain from a lack of good circulation in the heart muscle.

FORBES: New Heart Valves Prove We're Living In The Future

But this is good for circulation.

BBC: Stuart Kuttner, Managing Editor, News of the World

This is, as the doctor says, good for the circulation.

FORBES: Magazine Article

If we want to get serious about reducing firearms violence we will have to reduce the number of pistols in circulation -- and good luck with that!

ECONOMIST: America��s gun laws

Despite declining circulation, newspapers are still a good advertising buy because their demographics are strong, with well-educated, high-income readers, Moloney states.

FORBES: Magazine Article