We often think of the heart and brain as being completely separate from each other. After all, your heart and brain are located in different regions of your body, and cardiology and neurology are separate disciplines. Yet these organs are intimately connected, and when your emotions adversely affect your brain, your heart is affected as well.

The negative impact of emotions when your heart is already vulnerable

There are two kinds of stress that impact your brain. Helpful stress (also known as eustress) can assist you with getting things done by helping you focus your attention. Unhelpful stress (distress), on the other hand, can be so severe that it can lead to fatigue and heart disease.

If you have coronary artery disease (CAD), your heart may be deprived of oxygen. This deprivation, called myocardial ischemia, can occur in as many as 30% to 50% of all patients with CAD. It…