Some of the first signs of a zinc deficiency include impairment or loss of taste.

Zinc deficiency can affect the sharpness of your sense of taste, too, making the thought of food less appealing.

Research has shown that areas with zinc-deficient soils are often regions with widespread zinc deficiency in humans.

Similar features may be present in acquired zinc deficiency.

Indeed, zinc deficiency may have effects on virtually all parts of the human immune system.