ferritin
- n a protein containing 20% iron that is found in the intestines and liver and spleen; it is one of the chief forms in which iron is stored in the body
- For each 1% increase of blood ferritin, there was more than a 4% increase in heart-attack risk.
- A former college running teammate of Dellinger's, Clements has theorized that ferritin, an iron complex stored mainly in the bone marrow, is used or discharged by endurance .
- For each 1% increase in the amount of ferritin (a protein that binds iron), the risk of heart attack increased by 4%.