Vitamin D Deficiency: Causes, Symptoms & Treatment
Deficiency of nutrients is not uncommon in unhealthy and stressful lifestyles. Widespread vitamin D deficiency is also common in countries with a rich food supply. What is vitamin D deficiency? Vitamin D deficiency occurs when the body’s need for this vitamin is not adequately met. A deficiency can be detected by blood levels. Normal is … Vitamin D Deficiency: Causes, Symptoms & Treatment