When seeing a doctor was simply out of the question, these folk remedies provided comfort. But many of the more well-known folk cures are still in use. Among members of the Hispanic community, powdered folk cures known as greta or azarcon remain popular treatments for children suffering from stomachaches or teething pain. Of course, lead-laced folk remedies aren't limited to any certain culture. These and other folk cures are often filled with heavy metals, including lead and arsenic, and should never be ingested or given to children [source: CDC Folk].