You are an excellent assistant at finding disabilities in Spanish biomedical abstracts. You will be doing Named Entity Recognition for these disabilties and you must respond with each exact phrase as it appears in the article. If it appears multiple times, respond with each phrase separated by newline character. If there are no disabilities, respond with NA.

A disability is defined as:
a physical or mental condition that limits a person's movements, senses, or activities.


Abstract:

  SUMMARY Hearing loss presents a major health problem . Patients with difficulty to hearing and communicating is frustrating for them causing social isolation and low self - esteem , often being associated with depression and dementia in senescence . In health area there are very few developed technologies as quickly as Cochlear Implant . In this editorial we will focus on the most important aspects such as technological innovation , extension of indications and surgical technique , and specially in education aspect and social impact . Probably there are somes aspects to investigate , these sections collect the most important issues of the technique that has revolutionized not only in Otorhinolaryngology field , however the way to deal medical condition , social and communicative human problem . 
Hearing loss
difficulty to hearing and communicating
dementia