https://www.healthcentral.com/article/6-tips-to-help-you-quit-smoking
COPD

6 Tips to Help You Quit Smoking

    John Bottrell

    John Bottrell

    John Bottrell is a registered Respiratory Therapist. He wrote for HealthCentral as a health professional for Asthma and Chronic Obstructive Pulmonary Disease (COPD).