21.   But Lee said in an interview that clinical studies on humans were now needed to determine whether there is benefit in lowering homocysteine levels.

22.   But only one study has been done on Oatrim, and while the study indicates that Oatrim can lower cholesterol levels, the evidence is not conclusive.

23.   But tests showed that it did not substantially lower those levels, and the company switched tactics and sought approval as a food additive.

24.   But the authorities are considering lowering the level of the pond to search in marshy areas.

25.   Chopping releases nutrients that feed the bacteria, but refrigeration lowers the level of the bacteria.

26.   Clinton has successfully helped lower the level of public expectation about Washington and politics.

27.   Coastal showers are expected with lowering snow levels in the Cascades.

28.   Diabetics can suffer from comas or toxic shock if they do not immediately lower glucose levels that are too high.

29.   Even so, Ascherio cautioned against the general use of potassium supplements, which are often prescribed to patients whose potassium levels are lowered by hypertension medication.

30.   Erdman wrote an editorial that accompanies the new report, and he has worked on using soy protein to lower cholesterol levels in patients.