Low Potassium Levels Linked With High Blood Pressure; Blacks Have Stronger Association, Study Finds
Researchers have found that low potassium levels correlate with high blood pressure, regardless of salt intake or cardiovascular risk factors, and the association is stronger among blacks, according to a study presented this week at the American Society of Nephrology's annual meeting in Philadelphia, Reuters Health reports.

Study Shows No Benefit From Drug Widely Used To Prevent Premature Births
When a pregnant woman goes into early labor, her obstetrician may give her drugs to quiet the woman's uterus and prevent premature birth. New research shows, however, that one popular drug works no better than a placebo at maintaining pregnancy after the initial bout of preterm labor is halted, say scientists at the Stanford University School of Medicine, Lucile Packard Children's Hospital and Santa Clara Valley Medical Center.