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.

Sly Stone, funk pioneer and frontman of Sly and the Family Stone, died Monday at the age of 82, following what his family described as “prolonged battle with COPD and other underlying health issues.” “It is with profound sadness that we announce the passing of our beloved dad,