When can Zinc Deficiency occur?
Zinc deficiency most often occurs when zinc intake is inadequate or poorly absorbed, when there are increased losses of zinc from the body, or when the body’s requirement for zinc increases (14-16). Signs of zinc deficiency include growth retardation, hair loss, diarrhea, delayed sexual maturation and impotence, eye and skin lesions, and loss of appetite (2). There is also evidence that weight loss, delayed healing of wounds, taste abnormalities, and mental lethargy can occur (5, 15-19). Since many of these symptoms are general and are associated with other medical conditions, do not assume they are due to a zinc deficiency. It is important to consult with a medical doctor about medical symptoms so that appropriate care can be given. Who may need extra zinc? There is no single laboratory test that adequately measures zinc nutritional status (2,20). Medical doctors who suspect a zinc deficiency will consider risk factors such as inadequate caloric intake, alcoholism, digestive diseases,