Young children's exposure to lead in the environment is harming their intellectual and emotional development. What’s more, the toxic effects of lead on the central nervous system are obvious even below the current so-called safe level of lead in the blood. They are recommending the threshold should be halved. The study set out to see if there was any effect on the behavior and intellectual development of children who had ingested just below the UK’s so-called safe level of 10 micrograms per deciliter of blood. Lead levels between five and 10 micrograms per deciliter were associated with significantly poorer scores for reading ( 49 percent lower) and writing (51 percent lower). Read the original article on Mercola.com