71.   As in the new study, those conditions were matched only by those faced by native-born blacks.

72.   As a result, some patients may be mistakenly found to be hypertensive and may be needlessly given drugs to bring their pressure down, two new studies suggest.

73.   As smog and soot levels rise in the Los Angeles air, so do hospital admissions for asthma, pneumonia and other respiratory problems, a new study found.

74.   As well, the levels of mercury in children in the new study were lower than expected and well below federal limits.

75.   As has been the case with several previous investigations, the new study failed to find a relationship between calcium intake and the risk of hip fracture.

76.   As with any new study, of course, these findings must be confirmed by other research.

77.   At least half of the babies born to teen-age girls are fathered by adults, according to a new national study by the Alan Guttmacher Institute.

78.   At least one aspect of the new studies bears directly on that question.

79.   At a time when housing assistance for the poor faces massive cutbacks, a new study has found the nation already plagued by a record shortage of affordable housing.

80.   At the same time, the surcharges continue to rise, new studies show.