COPD
Trusted resources on chronic obstructive pulmonary disease — from diagnosis to daily management
16M
Americans with COPD
Diagnosed cases
#3
Leading cause of death (US)
After heart disease & cancer
85–90%
Cases caused by smoking
Largely preventable
300M+
People affected globally
WHO estimate
Understanding COPD
COPD Explained: What Is Chronic Obstructive Pulmonary Disease?
COPD is a chronic lung disease that makes it hard to breathe. It includes emphysema and chronic bronchitis.
10 min readCOPD Causes: Smoking, Air Pollution, and Genetics
Smoking is the most common cause of COPD, but genetics and environmental factors also play a role.
8 min readCOPD vs. Asthma: Key Differences You Should Know
While COPD and asthma share some symptoms, they are distinct conditions requiring different treatments.
7 min readCOPD Stages: GOLD Classification and What They Mean
COPD is classified into stages based on the severity of airflow limitation and symptoms.
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Symptoms & Exacerbations
Early Warning Signs of COPD You Shouldn't Ignore
Early COPD symptoms include a persistent cough, increased mucus production, and shortness of breath.
7 min readCOPD Exacerbations: What Triggers Them and How to Prevent Them
COPD exacerbations are sudden worsenings of symptoms. Common triggers include infections and air pollution.
9 min readTreatment
COPD Treatment: Bronchodilators, Steroids, and Oxygen Therapy
Treatment for COPD focuses on relieving symptoms and preventing complications.
11 min readPulmonary Rehabilitation: How It Helps COPD Patients
Pulmonary rehab combines exercise, education, and support to help COPD patients breathe better.
8 min readOxygen Therapy for COPD: When Is It Needed?
For people with severe COPD, supplemental oxygen therapy can improve quality of life and survival.
8 min readNew COPD Drugs and Therapies to Watch in 2026
Researchers are developing promising new treatments for COPD, including biologics and gene therapy.
10 min readLiving with COPD
Exercise Tips for People with COPD
Regular physical activity can help improve breathing and quality of life for COPD patients.
7 min readDiet and Nutrition for COPD: Foods That Help You Breathe Better
Eating well can help manage COPD symptoms and maintain a healthy body weight.
8 min readPulmonology
Find a Pulmonology Specialist Near You
Verified, board-certified specialists accepting new patients in your area
Dr. Robert Hansen, MD
Pulmonologist & COPD Specialist
Dr. Grace Liu, MD
Interventional Pulmonologist
Dr. Marcus Webb, MD
Pulmonology & Critical Care
Don't see a doctor near you?
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