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.
Vitamin and Mineral Tests. Understanding blood test results for certain vitamins and minerals can be VERY challenging. Most doctors DON'T do tests, like a Vitamin D Level that is EXTREMELY useful and accurate-while they frequently rely on tests that are inaccurate! It's up to YOU to be understanding blood test results. 1  Vitamin D Level or 25(OH)D or 25 Hydroxyvitamin DIf you have not had a Vitamin D Level done, then GET one!