Objective To report the effectiveness of a health education intervention provided by nurses to prevent second-hand smoke exposure in sick children in Hong Kong. Data sources A clinical trial, international and national government reports, and research studies. Conclusion Exposure to second-hand smoke is associated with significant morbidity and mortality. Nursing interventions to reduce exposure are critical and need further study. Implications for nursing practice Nurses are in a vital position to carry out health education about the health risks associated with second-hand smoke exposure and to protect the child from such exposure.

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