Bone marrow edema occurs with increase in age. Generally bone marrow has three portions they are bony portion, fatty portion, blood cells production portion. In the young age all three portions are present in general ratios. As the age increases the blood cell production portion decreases and fatty portion increases these leads to bone marrow edema. Journal Article is sometimes called a Scientific Article, a Peer-Reviewed Article, or a Scholarly Research Article. Together, journal articles in a particular field are often referred to as The Literature. Journal articles are most often Primary Research Articles.