Word: ferritin
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Dates: during 1990-1999
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...American Heart Association journal. In a study of some 1,900 men ages 42 to 60, Finnish researchers determined that the risk of heart attack was greater among men with high blood levels of iron than in those with lower readings. For each 1% increase in the amount of ferritin (a protein that binds iron), the risk of heart attack increased by 4%. The reason, many doctors suspect, is that iron may interact with LDL, "the bad cholesterol," in a way that promotes the formation of plaque on arterial walls...
...Finnish men between the ages of 42 and 60, with no obvious evidence of heart disease, were monitored from 1984 through 1989; 51 ended up with heart attacks. It turned out that the second strongest risk factor, after smoking, was the blood level of a protein called ferritin -- and ferritin is a good indicator of overall iron levels. For each 1% increase of blood ferritin, there was more than a 4% increase in heart-attack risk. A ferritin level of 200 or more, compared with the normal 100 to 150, doubled the risk. The mechanism is unclear, but iron...
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