美国一项新研究发现,每天吃两次紫薯可以降低高血压,其作用与燕麦相当,而且不会导致发胖。新研究由美国宾夕法尼亚州斯克兰顿大学的科研人员完成。该研究负责人乔.文森博士表示,很多人对紫薯望而生畏,总与“发胖”、 A new study in the United States found that eating sweet potato twice a day can reduce high blood pressure, its role and oats, and will not lead to weight gain. The new study was performed by Scientists at Pennsylvania State University in the United States. Dr. Joe Vinson, head of the study, said many people are terrified of the purple potato, with “fat”