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

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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.

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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.

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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.

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While the guidelines will, hopefully, lead to a lowering of medical costs important for physicians and hospitals as insurance companies and government are increasingly putting the pressure on these providers to take responsibility for the ever spiraling costs of care there remains the question of whether or not patients really want to have fewer tests.

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