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The Effects of Lead on the Human Liver

Lead is one of the most toxic metals. It has no function or health benefits for humans. Sources of lead exposure include paints, ceramic and porcelain glazes, tobacco, some water supply sources, canned fruits and vegetables, insecticides, vinyl mini-blinds and lead piping used in older homes.

  1. Significance

    • Children, who absorb 25 percent to 40 percent more lead than adults, are more susceptible to severe symptoms of lead poisoning, as are pregnant women and people with a calcium deficiency, according to the book "Prescription for Nutritional Healing."

    Function

    • Even at low levels, lead that is not excreted through the digestive system accumulates in the body and is stored with other minerals, especially in the liver.

    Effects

    • Lead, a metabolic poison, inhibits some vital enzyme functions required by the liver and other body systems, including the antioxidant enzymes that protect the body's cells from free radical damage.

    Potential

    • Chronic lead poisoning, which occurs when a person is repeatedly or continually exposed to small amounts of lead over a period of months or years, can lead to liver failure, according to Dr. James Balch, author of "Prescription for Nutritional Healing."

    Solution

    • Maintaining adequate levels of calcium and zinc help reduce the lead absorbed by the body. Since lead remains in the body once it has accumulated, prevention is the key to protecting the liver and the body from lead.

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