Scientists at the Johns Hopkins University in the U.S. believe potassium facilitates the removal of sodium, thereby lowering pressure.

CNN: TWO IS ENOUGH - REALLY

Patent expiration of cholesterol-lowering medicines Zocor and Pravachol will put particular pressure on Pfizer 's Lipitor as health plans push their enrollees to use the copycat drugs instead.

FORBES: Magazine Article

Patent expiration of cholesterol-lowering medicines Zocor and Pravachol will put particular pressure on Pfizer 's (nyse: PFE - news - people ) Lipitor as health plans push their enrollees to use the copycat drugs instead.

FORBES: Robert Langreth On Health Care

The United States has recently been putting pressure on Saudi Arabia to increase its oil production, thereby lowering the price of oil on the world market.

BBC: Saudi Arabia in $2.7bn US arms deal