填空题

People could eat more cocoa-rich products such as dark chocolate but not drink tea if they want to lower their blood pressure, German researchers reported Monday. A team of researchers from the University Hospital of Cologne analyzed data from (36) studies that looked at the benefits of tea and cocoa. They found eating foods (37) in cocoa resulted in lower blood pressure levels. Their report (38) of exactly 10 studies on cocoa with a total of 173 (39) ,a third of whom had high blood pressure and were (40) for a two-week period, and five tea studies with 343 people for a four-week period. The fall in blood pressure (41) to cocoa could be expected to reduce the risk of strokes and heart (42) by 10-20 percent, the report said. The benefits are believed to come from certain compounds, (43) Dr. Dirk Taubert, a leading author of the report. While tea and cocoa are both rich in such compounds, cocoa contains more of the type. This suggests that (44) . Compared to cocoa compounds, tea compounds appear to be less effective. However, the researchers cautioned that (45) , it appears reasonable that cocoa products could be substituted for other high calorie and high fat desserts. Drug treatment is the basis of blood pressure control, Taubert said, (46) .