That's important because that's what precipitates an acute heart attack or stroke.

I am surprised by the extent of the problem. There will be more heart attacks and strokes. The quality of life for these individuals will suffer and their longevity will be compromised.

This was an important study to do. What it points out, apart from the negative results, is the importance of doing such randomized trials so that we know whether a particular treatment is effective or not.

It is as simple as putting a measuring tape around the waist. That will give an indication.

We have developed a window into the atomic heart of magnetism. We can now position atoms and then measure and control their magnetic interactions within precisely designed structures.

Depression is common among patients with heart attacks. About 22 percent of all heart attack patients are depressed.