Hypoparathyroidism may also be due to autoimmune destruction of the glands. 1  Eating disorders. 2  Prolonged vomiting (e.g. with a viral illness) 3  Exposure to mercury, including infantile acrodynia.  Excessive dietary magnesium, as with 1  supplementation. Excessive dietary zinc, as with supplementation (causes rapid hypocalcemia).
Red Sand Beach on Kaihalulu Bay is a pocket beach on the island of Maui, Hawaii on KaÊ»uiki Head.
Black sand beaches can be found all over the Big Island of Hawaii, but Punalu'u Beach (see more photos), located on the island's southeast shore, is the most popular and one of the most beautiful.