Lead is a poisonous chemical that may harm people of all ages. Lead cames and solders used in stained glass and lead lighting can provide a health risk if ingested or breathed if not handled properly. Even casual artisans are at risk. There are several ways for artists to be exposed to lead; learning these methods will help you identify what risks you may be facing with your work. If you use lead-based paints or other materials in your artwork, you may expose yourself to lead through skin contact or inhalation. Lead can also enter the body through your mouth eating contaminated food or drink, or by swallowing it. It can stay in your body for many years after you last ate something contaminated with lead. The only way to be sure you do not have lead in your body is to have your blood tested by a doctor or lab technician trained in toxicology. The main concern about lead exposure is its effect on children's development. If you are working with materials containing lead or if you are exposed to levels above those recommended by government agencies, such as the Occupational Safety and Health Administration (OSHA), then you should take precautions to protect yourself and your family. If you are working with materials containing lead, such as old windows or stained glass, wear protective clothing, including gloves, a face mask, and protective shoes.