Sinead O'Connor's cause of death is revealed a year after the Irish singer died

O'Connor, known for 'Nothing Compares 2 U', died from COPD and asthma with a respiratory tract infection. Death was confirmed 'natural causes.' The Coroners' Society elaborated on this definition.

COPD, causing obstructed lung airflow, stems from prolonged exposure to irritants like cigarette smoke. It elevates risks of heart disease and lung cancer, among other conditions.

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