Late last week, the US FDA issued a warning to consumers not to use Bentonite Me Baby, a product sold by Alikay Naturals, because of a potential lead poisoning risk.   According to the FDA, the product’s labeling indicates that it can be ingested and applied topically to hair and skin for a variety of conditions. FDA said its laboratory analysis of the product found elevated     lead levels.  Exposure to lead can cause serious damage to the central nervous system, the kidneys...