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Alpha-1 antitrypsin deficiency (Alpha-1-AT) is a genetic disorder that impairs the production of alpha-1 antitrypsin, a protein that protects the lungs from inflammation. The deficiency can lead to respiratory issues like chronic obstructive pulmonary disease (COPD) and liver complications. The condition is inherited, meaning that it is passed down through families. Those with Alpha-1-AT are more susceptible to lung damage from exposure to smoke and other environmental pollutants. Early diagnosis and treatment, often involving protein replacement therapies and lifestyle changes, are crucial for managing the symptoms and preventing further complications.