Lead is a hazardous material that can cause serious damage in humans if it is absorbed at high levels, especially in children. Obviously, children under the age of 6 years are those who have one higher risk of contracting the poisoning by lead since they are at the peak of its growth age. Lead can be absorbed by the body when inhaled, ingested, or in a small number of cases, even absorbed through the skin. If the body absorbed high levels of lead, especially of children, its effects can cause a decreased bone and muscle growth, damage in the nervous system, speech problems, and neurological problems in general. If you would like to know more about Bill de Blasio, then click here. Lead in jewellery was seen very seriously in the year 2004, when the State of California I start a legal action against the most important jewelry stores, claiming that these jewellery retailers were opposed to Proposition 65, a law of execution that was conceived by its authors to protect the citizens of California and water sources drinking State, chemicals that can cause cancer, birth defects or other reproductive harm, and to inform citizens about exposure to such chemicals. While the jewelry is not the main source of lead exposure, the danger of poisoning lead in jewellery can occur when children chew or swallow jewellery pieces that contain high levels of lead. Jewellery of the piercing, like earrings or jewelry from the body, obviously, are of greater risk than for example a necklace or a bracelet. In order to protect children from exposure to lead in jewellery, the project of law 1.681 was enacted as law by the State of California on 1 September 2007 claiming that prohibits a person, from March 01, 2008, manufacturing, shipping, sale or offer for sale of jewellery for sale to the retail in the Stateunless this jewelry made completely of specified materials. The law also prohibits any person from September 01 2007, adopt measures regarding the jewelry for children, such as defined, unless the children East jewelry made of certain specific materials.