As for beer's specific virtues, Dr. Kaplan cites two recent large-scale studies: in one, a look at 70,000 female nurses showed that those who drank moderate amounts of beer had less hypertension than did nurses who drank either wine or spirits. He also points to a survey of 128,934 adults in the Kaiser Permanente managed-care system. It showed that male beer drinkers among the group were at a statistically significant lower risk of coronary-artery disease than were men who drank red wine, white wine or spirits.