Stone’s family confirmed his death was due to complications from COPD, a progressive lung disease that obstructs airflow, combined with unspecified 'other underlying health issues'. COPD, often linked to smoking or long-term exposure to irritants, causes symptoms like breathlessness and chronic cough, as per mayoclinic.org.

Sly Stone died after a prolonged battle with COPD, a lung condition that can be debilitating. Here's what doctors want you to know about it.