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 ...
Kidney stones. Kidney stones (renal lithiasis, nephrolithiasis) are small, hard mineral deposits that form inside your kidneys. The stones are made of mineral and acid salts. Kidney stones have many causes and can affect any part of your urinary tract â from your kidneys to your bladder.Often, stones form when the urine becomes concentrated, allowing minerals to crystallize and stick together. Passing kidney stones can be quite painful, but the stones usually cause no permanent damage.idney stones have many causes and can affect any part of your urinary tract â from your kidneys to your bladder. Often, stones form when the urine becomes concentrated, allowing minerals to crystallize and stick together. Passing kidney stones can be quite painful, but the stones usually cause no permanent damage.