Scientists have found that elevated levels of C-reactive protein (CRP) boost the risk of heart attack and death, but they do not appear to increase stroke risk. In the study, researchers found that people who had CRP levels of more than 3 mg per liter of blood were 70 percent more likely to suffer a heart attack and 55 percent more likely to die than people whose CRP levels were lower than 1 mg per liter of blood. But after taking other factors into account, the scientists concluded that the...