CRDs have an impact on the lungs' airways and other pulmonary structures. The most prevalent ones include pulmonary hypertension, asthma, occupational lung disorders, and chronic obstructive pulmonary disease (COPD). Air pollution, exposure to chemicals and dusts at work, and recurrent lower respiratory infections in children are other risk factors in addition to tobacco smoke. Although CRDs cannot be cured, there are numerous treatments that can assist expand the airways and reduce shortness of breath, which can help control symptoms and enhance everyday life for persons with these disorders. The objective of the WHO Global Alliance against CRDs (GARD) is "a world where everyone may breathe freely." GARD concentrates on the requirements of individuals with CRDs in low- and middle-income nations.