Camp Grayling Joint Maneuver Training Center. Camp Grayling is a premier, full-spectrum, four-season joint training center, providing year round, customer-focused training support and high quality facilities to enable military commanders and civilian leaders to meet their unit readiness requirements.
This shows that nearly 40% of all patients with PRIMARY hyperparathyroidism have Vitamin D-25 levels that are below 20 ng/ml. 60% have vitamin D levels above 20, but that includes 29% who have levels between 20 and 30, which is considered deficient. Nobody with a parathyroid tumor has high Vitamin D-25 levels.
Vitamin D deficiency can occur for a number of reasons: You don't consume the recommended levels of the vitamin over time. This is likely if you follow a strict vegan diet, because most of the natural sources are animal-based, including fish and fish oils, egg yolks, cheese, fortified milk, and beef liver.Your exposure to sunlight is limited.Because the body makes vitamin D when your skin is exposed to sunlight, you may be at risk of deficiency if you are homebound, live in northern latitudes, wear long robes or head coverings for religious reasons, or have an occupation that prevents sun exposure.You have dark skin.et, even without symptoms, too little vitamin D can pose health risks. Low blood levels of the vitamin have been associated with the following: 1  Increased risk of death from cardiovascular disease. 2  Cognitive impairment in older adults. 3  Severe asthma in children. 4  Cancer.