Alpha-1 Antitrypsin Deficiency (A1AD)

A1AD (Alpha-1 Antitrypsin Deficiency) is a hereditary disease characterized by a lack of protein levels of alpha-1 antitrypsin (A1AT) which is found in the blood. Lack of these substances can affect a person against a number of diseases, but generally appears as emphysema (swelling disease in the lungs because the blood vessels take in air), [...]