Divide some laboratory rabbits into three groups. Feed one group normal rabbit chow, the second group a high-cholesterol diet and the third a high-cholesterol diet supplemented with 0.2 percent curcumin. After eight weeks take blood samples, sacrifice the bunnies and examine their aortas for atherosclerotic deposits. That's a typical animal experiment to test the potential of curcumin — the compound responsible for turmeric's yellow colour — in terms of its effects on reducing the risk of heart disease.
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