When lead is ingested, what system does it primarily affect?

Lead primarily affects the Central Nervous System (CNS) when ingested, which is crucial for understanding the neurological implications of lead exposure. Lead is a neurotoxin, and even at low levels, it can disrupt normal brain function and development, particularly in children whose brains are still developing.

The CNS comprises the brain and spinal cord, which are vital for processing sensory information, coordinating bodily functions, and facilitating cognitive abilities such as learning, memory, and attention. Exposure to lead can result in various neurological issues, including cognitive deficits, behavioral problems, and, in severe cases, seizures and encephalopathy.

While lead can also impact other body systems, such as causing cardiovascular issues or gastrointestinal disturbances, its most profound and damaging effects are observed within the central nervous system. This underscores the importance of lead exposure prevention, especially in environments with children.