COPD, or Chronic Obstructive Pulmonary Disease, is a lung disease that can make breathing difficult. It is often caused by long-term exposure to damaging particles or gases, such as tobacco, air pollution, dust, and other irritants. The condition can weaken the body’s immune system, making it more vulnerable to sickness and disease. Fortunately, certain foods can help boost your immunity and also increase overall lung health. Read on to know about COPD and foods to have for it. Symptoms of COPD The primary symptoms of COPD are persistent coughing, wheezing, shortness of breath, and a feeling of tightness in the chest. The symptoms can vary from person to person, but the most common signs are difficulty breathing, increased mucus production, frequent flare-ups or exacerbations, fatigue, and changes in sputum color. Diagnosing COPD COPD is a condition that affects the airways and can make it difficult for you to breathe. It is crucial to get a diagnosis as soon as possible so you can start treatment and begin to manage your symptoms. The diagnosis process may include a physical exam, a review of your health history, pulmonary function tests, and imaging tests. During a physical exam, your doctor will listen to your lungs using a stethoscope and may use a peak flow meter to measure your breathing.