 And that's the problem in congestive heart failure. There's a reduction in what's called ejection fraction. And then fluid accumulates in your legs and fluid accumulates in your lungs. And then you're breathless and you can't move around. And typically patients with congestive heart failure, they have difficulty walking one block. Well, there are many studies that say that Coenzyme Q10 administration can increase walking distance for individuals suffering from congestive heart failure.