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.
A deficiency of one or more of these minerals can leave you prone to cramps. These minerals include magnesium, sodium, potassium and calcium. Intense sweating, diarrhoea and vomiting are the most common ways of developing a sudden, acute deficiency in these minerals.