Kathie Cole led the study. She is a nurse at the University of California, Los Angeles, Medical Center. The researchers studied seventy-six patients with heart failure.

• 项新的研究发现动物被认为是人类最好的朋友之外；还有利益于的心脏健康.；加利福尼亚的研究人员声称，他们已经发现带狗很短的造访心脏病人都能够缓解他们的忧虑