The Importance of Zinc

Known for its ability to fight free radicals, zinc plays a critical role in many biological processes, such as immune function, growth, and reproduction. It is also a key component in over 300 enzymes that are vital for chemical reactions in the body.

It is important to maintain adequate levels of zinc for both children and adults. It is needed for growth and development, and can be used to treat a wide range of conditions, including anorexia nervosa, anemia, brain cancer, high blood pressure, and malaria.

Research has shown that taking zinc by mouth can reduce the incidence of pneumonia. It also can help prevent chemotherapy-related complications, such as anemia. It has been shown to reduce diarrhea in infants during their first year of life. In addition, it appears to be effective in reducing opportunistic infections in HIV-positive individuals.

Zinc is also used in the treatment of eye diseases, such as glaucoma and macular degeneration. It is applied to the skin to treat acne, warts, and leg ulcers. It is also used to improve the survival rate of people with advanced cancers.

Studies have shown that zinc supplements can increase zinc and copper levels in the body. They may also have antiviral effects. Some researchers believe that zinc may help protect against herpes virus. In a 2009 report, the WHO cited zinc deficiency as a disease risk factor.

Some animal studies have shown that zinc deficiency interferes with the brain's development. It is a common problem among children in developing countries.