Which national health goal specifically addresses reductions in exposure to harmful agents?

The focus on reducing exposure to harmful agents is critical for improving community health and overall population well-being. The correct choice addressing this goal is related to exposure to secondhand smoke, as it specifically targets a well-documented health hazard that adversely affects both smokers and non-smokers through involuntary exposure to tobacco smoke.

Reducing exposure to secondhand smoke aligns with national health initiatives aimed at protecting public health, particularly among vulnerable groups such as children and individuals with pre-existing health conditions. These initiatives often involve public education, legislative action, and community-based programs that limit smoking in public spaces and raise awareness about the dangers of secondhand smoke.

In contrast, the other options focus on different public health challenges. Barriers to access address availability and affordability of health care services rather than direct exposure risks, household hunger pertains to food security issues rather than environmental exposures, and health insurance coverage deals with financial access to health care and does not specifically target harmful environmental agents. Thus, the correlation between secondhand smoke and efforts to mitigate exposure makes this choice the most relevant in the context of national health goals focused on reducing harmful exposures.