What is an important factor in lead exposure for children?

Children are especially vulnerable to lead exposure due in large part to their developmental behaviors, one of which is their higher tendency for hand-to-mouth behavior. This characteristic means that they are more likely to put their hands, objects, or contaminated items into their mouths, which can inadvertently introduce lead particles if they have come into contact with lead dust or paint. This behavior significantly increases the risk of lead poisoning, particularly in environments where lead is present, such as homes built before 1978 that may still have lead-based paint or lead-based dust. The nature of children's exploration often involves touching surfaces, playing with toys, and then transferring any contaminants to their mouths, making this a critical factor in understanding and preventing lead exposure in young children.