Zinc is an important trace mineral, which is useful for the body in many ways. It is essential for cell division and aids normal growth and development during pregnancy, childhood and adolescence.
The body contains about 2 to 3 grams of zinc, mostly in the skeletal muscles and bones. It is also found in the kidneys, pancreas, retinas, liver, blood cells, teeth, hair, skin, prostate and testes.
If you have multiple signs and symptoms of this problem, ask your doctor to check your health levels.
Here are the top 10 signs of zinc deficiency.
1, Compromised Immunity.
Zinc is essential for the immune system to function properly, and its deficiency can cause reduced or weakened antibodies and low immunity. Zinc is important for T-cell growth and improving the protective functions of cell membranes.
A 2002 study published in the European Journal of Clinical Nutrition clearly indicated that this trace element has a broad impact on key immunity mediators, such as enzymes, thymic peptides and cytokines.
People who have zinc deficiency are more prone to infection, the common cold and flu. Small babies and elderly people, who usually have low immunity, must pay extra attention to eating zinc-rich foods.
2, Loss of Appetite.
A deficiency of zinc causes loss of appetite. The mechanism by which this occurs is unclear. However, it is believed that zinc affects neurotransmitters in various parts of the brain, including gamma-amino butyric acid (GABA) and the amygdala, which affect a person’s appetite.
A low zinc level in the body also interferes with your sense of smell and taste, which often leads to loss of appetite and weight loss.
A 2006 study published in the Eating and Weight Disorders journal found that oral administration of 14 mg of elemental zinc daily for 2 months helped in treating patients with anorexia nervosa (loss of appetite).
3, Skin Problems.
Deficiency of this important trace mineral can also have a bad effect on your skin. It can contribute to acne, eczema, psoriasis, characteristic skin rashes called acrodermatitis enteropathica (especially around the mouth, eyes and anus), or dry scaly skin. The skin may even turn pale.
Zinc aids collagen synthesis, which is essential for healthy skin as well as healing of skin wounds. In addition, zinc helps in the proper structure of proteins and cell membranes and protects the skin from harmful ultraviolet (UV) radiation. It also lessens the formation of damaging free radicals.
Most health experts recommend applying zinc-based creams and lotions on the skin for treating acne, aging skin and herpes simplex infections as well as promoting wound healing.
4, Vision Problems.
According to the American Optometric Association, zinc is essential for vision. High levels of zinc are present in the macula, which is part of the retina.
It enables vitamin A to create melanin, a pigment that protects the eye and even helps you see better at night. Its deficiency can result in poor night vision and cloudy cataracts.
A 2001 study published in the Archives of Ophthalmology suggests that antioxidant and/or zinc supplements may delay progression of age-related macular degeneration (AMD), a leading cause of vision loss among older people.
People who have a risk of developing AMD should consult their doctor about taking a zinc supplement.
5, Low Cognitive Function.
Zinc deficiency can also cause damage to the neurological system, impairing your cognitive skills, such as learning and hedonic tone (general level of pleasantness or unpleasantness).
It is also associated with dyslexia, a learning disability. Zinc interacts with and modulates different synaptic targets, including glutamate receptors and voltage-gated channels, which play a key role in learning and memory.
Another study, published in the Biological Trace Element Research journal in 2013, suggests that oral zinc supplementation may improve cognitive function in school-age children.
6, Weak Bones and Joints.
Zinc is a vital bone nutrient and its deficiency can greatly affect your bones and it helps in the stimulation of bone-building osteoblasts. A deficiency of this mineral often causes joint pain.
A 2010 study published in the Nutrition Research and Practice journal suggests that zinc might increase bone formation through stimulating cell proliferation, alkaline phosphatase activity and collagen synthesis in osteoblastic MC3T3-E1 cells.
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