Lead poisoning is caused by a build up of lead in the body due to months or years of exposure. The average cases of Childhood Lead Poisoning fluctuates. Since 1997, according to the CDC, the childhood lead blood levels have increased drastically. The map below shows the levels of children between 2000 and 2014. From 2000 to 2011 the lead levels were consistently increasing. During 2012 and 2013 there was a slight decrease in the lead levels reported. What can we do to contribute to the continuance of a decreasing trend?