Dr. Alan Rozanski

And the wall should be more vigorous with exercise.

But if there's a blockage in one of the coronary arteries, the wall motion starts to slow down.

That's how we diagnose heart disease.

And we do it with exercise.

But there was data coming out in the 1980s that people using ambulatory electrocardiograms during daily life activity were getting abnormalities in function, indicating lack of blood supply while driving the car and doing household activities.

And we didn't understand it.

So I got the idea to study this under mental stress.

And my goal was just to understand what affects the heart.

I wasn't interested in mental stress.

But we came up with a protocol to look at patients with

subtracting zero sevens, a four digit number, something called the worst troop task.

And the third task was called, it wasn't a task, it was just having patients speak about the stress in their lives.

And lo and behold, as we started to do this, I remember the second patient we did was a man about 59 years old.

And he was talking about the fact that he was going to become an employee, he was going to lose his job.

And as he did so, his war motion

almost about a third of his heart stopped moving while he was talking about this stress.

It was such a remarkable finding at the time.

It was stunning to me.

And that was my aha moment to the mind-body relationship.

So I began to study the effects of acute stress