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.
The most common cause of low vitamin D is lack of sun exposure. Low levels of vitamin D are a definite red flag that your good bill of health is being threatened. Vitamin D deficiency is an underlying cause of many poor health conditions, as well as a major factor contributing to the exacerbation of symptoms of other diseases. The causes of low vitamin D can be very complex, but ensuring you get enough may be easier than you think.