11.   Pelvic inflammatory disease is the most frequent serious infection in U.S. women, says the study published in the current issue of the American Journal of Public Health.

12.   Two studies published in medical journals in March of last year had opposite findings.

13.   A drug common to over-the-counter allergy medicines used by millions might affect drivers more than liquor, suggests a study published today.

14.   And a study published last year in the American Heart Association journal Circulation showed that high triglycerides sharply increase the risk of dying from a heart attack.

15.   Lifestyle factors such as obesity, poor diet and lack of exercise strongly contribute to the high incidence of diabetes in black women, suggests a study published today.

16.   The blood findings confirm a study published last December.

17.   The findings confirm a study published last December.

18.   The study published Tuesday in the journal Circulation found that people have wider blood vessels and lower blood pressure after drinking alcohol.

19.   A University of Texas study published in the journal Science said the flawed gene failed to produce a protein that suppresses the growth of tumors.

20.   A separate study published last August in the British medical journal Lancet came to the same conclusion.