Pediatricians are becoming concerned about children, and in particular those under the age of 12 months, being exposed to high levels of manganese. Here is what you need to know about current studies and the effects of exposure for your child.
Manganese exposure has been long known by physicians to be hazardous. It is considered a neurotoxic substance, that is, it negatively affects the nerves and the brain. Too much manganese can cause behavioral changes, memory loss and a neural condition that mimics the symptoms of Parkinson’s Disease.
A new study done by Robert Wright, MD of Children’s Hospital Boston found that high levels of manganese in the blood of 12-month-old children was associated with low neurocognitive scores at the age of 24-months in these same children. In other words, manganese exposure could affect brain development and function. The study looked at 300 mexican children that were at risk for Manganese exposure.
Manganese is commonly found in air, water and some soy-based infant formulas. While it is a necessary nutrient that is found mainly in the kidneys and liver, it can build up in a child’s system quickly, leading to toxic levels. Low levels of manganese can also cause low neurocognitive scores. Manganese is often found in the workplace where manufacturing or welding tasks occur. It is a naturally occurring metal and may be combined with carbon to produce pesticides.
Manganese can enter the air from iron plants, steel plants, power plants, coke ovens and mining operations.
There is not a lot known about the effects of manganese. There are no federal health standards for manganese exposure nor guidelines about reducing exposure. Dr. Wright said in a report in Medical News Today, that the knowledge about the toxic effects of manganese are “where lead was 50 years ago.”
Mary Ann Romans.
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