Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Alpha-1 Antitrypsin Deficiency? ?
    ### Response:
    Alpha-1 antitrypsin (AAT) deficiency occurs in all ethnic groups. However, the condition occurs most often in White people of European descent.
                
AAT deficiency is an inherited condition. "Inherited" means the condition is passed from parents to children through genes.
    