How is lead poisoning primarily caused in children?

Lead poisoning in children is primarily caused by exposure to lead dust or lead-based paint. This is particularly relevant in older homes that were built before the 1978 ban on lead-based paint in residential properties. When lead-based paint deteriorates, it can create dust or chips that children may ingest or inhale, leading to significant health issues.

Lead exposure is particularly dangerous for young children because their bodies are still developing, and they are more susceptible to the toxic effects of lead, which can impair cognitive function, cause developmental delays, and result in various health problems. It's important to emphasize that children often spend time in environments where lead paint may be present, increasing their risk of exposure.

While contaminated food, unfiltered water, and contact with metal toys can also be sources of lead exposure, they are not the primary causes of lead poisoning in children. Lead dust and the deteriorating paint in homes remain the most significant contributors to the high levels of lead found in children.