What caused the Iran hostage crisis? A: The Iran hostage crisis occurred when Mohammed Reza Pahlavi, a domineering Iranian ruler who was recently expelled from his country, was granted access into the United States by President Jimmy Carter to receive cancer treatment.
There are five main categories of mineral deficiency: calcium, iron, magnesium, potassium, and zinc. Calcium is needed for strong bones and teeth. It also supports proper function of your blood vessels, muscles, nerves, and hormones.
Iron-deficiency anemia is diagnosed by blood tests that should include a complete blood count (CBC) . Additional tests may be ordered to evaluate the levels of serum ferritin, iron, total iron-binding capacity, and/or transferrin.