(Family Features) Chronic obstructive pulmonary disease, or COPD, is a serious lung condition that makes breathing difficult. Whether you’re a younger adult, middle-aged or over 60, you can take steps to protect your lungs or manage your COPD to feel better, be more active and breathe easier. Follow these tips from the National Heart, Lung, and Blood Institute to bring your lung health into focus – at any age. Learn more at nhlbi.nih.gov/BreatheBetter.