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.
Inherited metabolic disorders are one cause of metabolic disorders, and occur when a defective gene causes an enzyme deficiency. These diseases, of which there are many subtypes, are known as inborn errors of metabolism.Metabolic diseases can also occur when the liver or pancreas do not function properly.nherited metabolic disorders are one cause of metabolic disorders, and occur when a defective gene causes an enzyme deficiency. These diseases, of which there are many subtypes, are known as inborn errors of metabolism.