The World Health Organization predicts that by 2020 heart disease will be the number one cause of death and disability worldwide and that depression will be second. But the extent to which these two chronic conditions are caused by each other, or happen to occur in tandem, is an area experts are still exploring. How to treat both conditions simultaneously is another.
Whichever comes first, depression and heart disease make a devastating combination. Depression can also get in the way of recovery once you have heart disease.