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.
Nutrient deficiencies lead to an array of diseases and health conditions, including dementia and death, explains Healthline. Vitamin deficiencies are associated with several deficiency diseases, underscoring the need to ensure sufficient vitamin intake. Mineral deficiencies are also associated with diseases, including goiter, rickets and anemia. A nutritional deficiency can be caused by intake of inadequate nutrients, or a defect in the bodyâs absorption mechanism. Goiter is characterized by an enlarged thyroid gland.