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:

Because pain is the earliest and most common symptom of morbidity through which people perceive the presence of disease , it is the most frequent cause of medical consultations . Pain poses manifold problems in all fields of medicine and psychiatry . Chronic pain has several etiologies such as psychological and psychiatric disorders .
psychological and psychiatric disorders