forms over millions of years in the pore spaces of sedimentary rocks from remains of ocean-dwelling phytoplankton; over time it migrates upward toward the highest point in the porous rock because it is less dense than the rock.
Hereditary hemochromatosis (hee-muh-kro-muh-TOE-sus) is a genetic disease that causes the body to absorb and store too much iron. Iron is an important nutrient that our bodies get from food.
Hereditary hemochromatosis (HH) is the most common form of iron overload syndromes, i.e. diseases in which too much iron builds up in oneâs body. This extra iron is toxic to the body and can damage organs, lead to illness or even death.here are three types of iron overload syndromes: 1  Hereditary hemochromatosis (HH) In this inherited disease, the genes that control the absorption of iron from the intestine are abnormal. 2  This causes the intestine to absorb more iron than the body needs.