根据以下材料，回答题 Happy Marriage， Happy Heart Happily married people have lower blood pressure 51_______ unhappily married people or singles， a Brigham Young University study says. On the other 52_______ ， even having a supportive social network did not translate into a blood pressure benefit for singles or unhappily married people， according to the study. 'There seem to be some unique health benefits from marriage. It's not just being married 53_______ benefits health-what's really the most protective of health'is having a 54_______ marriage，' study author Julianne Holt， Lunstad， a psychologist who specializes in relationships and health， said in a prepared statement. The study included 204 married and 99 55_______ adults who wore portable blood-pressure monitors for 24 hours. The 56_______ recorded blood pressure at random intervals and provided a total of about 72 readings. 'We wanted to capture participants' blood pressure doing whatever they normally 57_______ in everyday life. Getting one or two readings in a clinic is not really 58_______ of the fluctuations that occur throughout the day，' Holt-Lunstad said. Overall， happily married people scored four points 59_______ on the blood pressure readings than single adults. The study also found that blood 60_______ among married people- especially those in happy marriages—— 61_______ more during sleep than in single people. 'Research has shown that people whose blood pressure remains high' throughout the night are at 62_______ greater risk of heart disease than people whose blood pressure drops，' Holt-Lunstad said. The study was published in the March 20 63_______ of the joumal Annals of Behavioral Medicine. The study also found that unhappily married adults have higher blood pressure than bothhappily married 64_______ single adults. Holt-Lunstad noted that married couples can encourage healthy habits in one 65_______ ， such as eating a healthy diet and having regular doctor visits. People in happy marriages also have a source of emotional support， she said. 回答（51）题 查看材料