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.
Total zinc intakes of 60 mg/day (50 mg supplemental and 10 mg dietary zinc) have been found to result in signs of copper deficiency. Copper deficiency has also been reported following chronic use of excessive amounts of zinc-containing denture creams (>2 tubes per week containing 17-34 mg/g of zinc; 99).