OMEGA - Dietary Intervention - COPD Trial

This trial is studying whether an omega-3-rich diet can help people with moderate-to-severe COPD (a chronic lung disease that makes it hard to breathe). The focus is on people from lower-income communities who eat very little omega-3 fatty acids. **You may be eligible if...** - You are 40 years or older with a doctor's diagnosis of COPD - You have moderate-to-severe COPD based on breathing tests - You have smoked at least 10 pack-years - You live in a low-income neighborhood, lack private health insurance, or have a high school education or less - Your current daily omega-3 intake from food and supplements is very low (under 500 mg) **You may NOT be eligible if...** - You are planning to move during the study - You have another chronic lung disease (unless asthma is not your main diagnosis) - You are pregnant or breastfeeding - You are unwilling to eat seafood Talk to your doctor to see if this trial is right for you.