What are the common health effects of lead exposure in children?

Lead exposure in children is critically associated with a range of negative health effects, primarily due to lead's impact on brain development and function. The correct choice identifies developmental delays and learning difficulties as common consequences of lead exposure. Children who are exposed to lead often suffer from impaired cognitive abilities, which can affect their academic performance and overall learning capacity.

The neurotoxic effects of lead can interfere with the development of neural pathways, leading to issues such as attention deficits and reduced IQ levels. This can significantly hinder a child's ability to engage in school activities, assimilate information, and develop social skills.

In contrast, the other options suggest positive outcomes that are not possible in the context of lead exposure. Increased athletic skills, enhanced cognitive function, and improved memory are not effects attributable to lead, as the presence of lead is solely linked to detrimental health impacts. Understanding these outcomes is crucial for recognizing the importance of lead exposure prevention strategies in safeguarding children's health and development.