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 ...
Story at-a-glance 1  -. The incidence of kidney stones is increasing in the United States. 2  Dietary factors, including avoiding sugar, non-fermented soy and soda, increasing your intake of magnesium, and keeping sufficiently hydrated with clean water, can help you prevent most kidney stones.