Lead toxic levels can cause many health problems known as lead poisoning. Lead exposure affects children more severely than adults because children bodies don't absorb lead as easily as adults. In children lead toxic levels can have a major effect on the nervous system. Those effects include: Learning disabilities, Growth problems, Behavioral difficulties. In 1998, the Environmental Protection Agency enacted new rules concerning the amount of lead in toys. The Lead Poisoning Reduction Act, passed in 2006, requires all non-home-based child care facilities to be lead-safe within five years Adults experience problems with mood and thinking. They may feel weak and can't concentrate. These symptoms can occur even at low blood levels. Individuals can be exposed to lead in several ways. Soil contamination is the result of old paint chips and runoffs from leaded gas seeping to the ground. Lead based paint and gas were banned in the 70s. Some metal workers can be exposed to lead toxic levels.