Depression can cause changes in the body such as reduced heart rate and a increase in blood factors that can encourage the formation of blood clots.  This article from Reuters discusses the research study results of heart patients with depression.

CHICAGO (Reuters) - Heart patients who become depressed have a higher risk of developing heart failure, regardless of whether they take antidepressants, U.S. researchers said on Monday.

They said the study is the first to look at whether depression raises the risk for heart failure, a chronic condition affecting 5 million Americans in which the heart gradually loses its ability to pump blood efficiently.

Click here for full article: