Iron may cause your stools to turn black, an effect that is not harmful. If your doctor has prescribed this drug, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
In the Reeking Cave, visited during the quest Diplomatic Immunity, there is a Dark Elf corpse. In Darkshade, southwest of Windhelm, the body of a dead female Dark Elf can be found at the back of the cave near the bottom of the ramp that leads to a chest. A permanent corpse of a Dark Elf can be found at Evergreen Grove. At The Ritual Stone there is normally a Dark Elf Necromancer who can be killed and then have her blood harvested. Drelas Cottage, on the opposite side of the mountain to Morthal, contains a hostile Dark Elf mage named Drelas.
Some, known afterwards as the Calaquendi (Elves of the Light), were brought by the Valar from Middle-earth to Valinor across the Sea, where they were taught by the Ainur. But after the Silmarils were stolen by Melkor, some of the Elves returned to Middle-earth, where they remained until the end of the Third Age.