The second stage of Meaningful Use requires that healthcare providers use C-CDA document exchange regularly in care transitions and the CCD has been identified as the most appropriate document for this purpose.
The part of the brain that interprets smell is the olfactory bulb.  This brain structure is usually above the nasal cavity and below  frontal lobe.
Robin Reineke. The olfactory system, which senses odors, is vital to our lives, and comprises one of the most primal parts of the brain. Just like our sense of hearing, sight, touch or taste, the sense of smell is a way for us to gather messages about the environment around us.