Delek Group Ltd. is engaged in gas exploration and production in Israel and abroad through investee companies and partnerships, as well as in the field of marketing of fuel products in Israel, and has holdings in a number of other activities, the main of which is the insurance and finance activity in Israel.
Long-Term Calcium and Vitamin D Supplement Use May Be Linked to Increased Risk of Kidney Stones. June 26, 2012 â Calcium and vitamin D supplements are associated with high calcium levels in the blood and urine, which could increase the risk of kidney stones, a new study ...
Calcium stones. Most kidney stones are made of calcium compounds, especially calcium oxalate. Calcium phosphate and other minerals also may be present. Conditions that cause high calcium levels in the body, such as hyperparathyroidism, increase the risk of calcium stones.ome kidney stones are struvite stones. They can also be called infection stones if they occur with kidney or urinary tract infections (UTIs) . These types of kidney stones sometimes are also called staghorn calculi if they grow large enough.