How many patients are suffering from COPD in the United States? Do COPD sufferers die of respiratory causes or other causes?Explain Posted on July 9, 2021 by Ambrose Words: 21Pages: 1Subject: Healthcare&MedicineTopics: Assignment help, College essays, COPD, Essayhelp, Respiratory causesHow many patients are suffering from COPD in the United States? Do COPD sufferers die of respiratory causes or other causes?