RT Journal Article SR Electronic A1 Cunningham, Muriel T1 Inhaled Insulin: Safety and Appropriate Uses JF MD Conference Express YR 2006 FD SAGE Publications VO 6 IS 2 SP 6 OP 8 DO 10.1177/155989770600600201 UL http://mdc.sagepub.com/content/6/2/6.abstract AB From a biological perspective, there are many advantages to inhaled insulin: the lung has a large surface area and a thin blood barrier, inhaled administration avoids first pass liver clearance, and transport of the medication is rapid and efficient. From a quality of life perspective, perhaps the biggest advantage of inhaled insulin is its mode of delivery.