A Cornell University study of young rats, funded by the National Institutes of Health, found that chelation therapy (a chemical treatment to remove lead from the body) can significantly reduce problems related to learning and behavior. However, rats with no lead in their system given chelation therapy showed similar learning and behavior problems to those rats who had lead in their system.
Chelation therapy is given to children exposed to lead, but there is little research on the therapy's ability to improve learning. In addition, chelation therapy is being used on children with autism despite the fact that there is no research showing that it is effective.
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