Who is MDD?
MDD may refer to: Major depressive disorder, a mental disorder involving persistent low mood, low self-esteem and loss of interest. It is also known as clinical depression. Mate-Demate Device, a specialized crane used to piggyback the Space Shuttle onto an airplane Mammal Diversity Database, online checklist of mammal species maintained by the American Society of Mammalogists Medical Devices Directive Mernda railway station, Melbourne Midland Airpark (IATA: MDD), a public use airport in Midland, Texas Mine detection dogs Ministry of Defence (Italy), known natively as Ministero della Difesa Mirrored Drive Door, a case design for the Power Mac G4 Model-driven development, a software engineering discipline
