Alpha-1, or alpha-1 antitrypsin, is a protein produced by the liver that helps protect the lungs and other organs from damage caused by enzymes. It plays a crucial role in maintaining the balance of enzymes in the body, particularly in the lungs, where it helps prevent tissue breakdown. A deficiency in alpha-1 can lead to serious health issues, including lung diseases like chronic obstructive pulmonary disease (COPD) and liver problems. Individuals with this deficiency may experience symptoms such as shortness of breath and fatigue, making early diagnosis and management important for maintaining health.