Look up n/a in Wiktionary, the free dictionary. n/a or N/A is a common abbreviation in tables and lists for the phrase not applicable, not available, or no answer. It is used to indicate when information in a certain table cell is not provided, either because it does not apply to a particular case in question or because the answer is not available.
Systemic lupus erythematosus (SLE) can cause various symptoms, the most common being joint pains, skin rashes and tiredness. Problems with kidneys and other organs can occur in severe cases. Treatment includes anti-inflammatory painkillers to ease joint pains. Steroids and/or other medication are sometimes also needed.
Some of the possible signs and symptoms of CTE may include: 1  Difficulty thinking (cognitive impairment) 2  Impulsive behavior. 3  Depression or apathy.  Short-term memory 1  loss. Difficulty planning and carrying out tasks (executive function)  Emotional 1  instability. Substance 2  abuse. Suicidal thoughts or behavior.