In the other study, a smallsgroupsof people with normal blood pressure who were given a pill containing as much caffeine as one cup of coffee also experienced a temporary increase in the stiffening of arterial walls.

• 在另一项实验中，一组血压正常的人群在摄入相当于一杯咖啡所含的咖啡因后，动脉管壁也在短时间内变硬。