70795
Additionally , the degree of aggressiveness expressed during an episode should be grossly disproportionate to provocation or precipitating psychosocial stressor , and , as previously stated , diagnosis is made when certain other mental disorders have been ruled out , e.g. , a head injury , Alzheimer 's disease , etc. , or due to substance abuse or medication .
 Alzheimer 's disease, substance abuse
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Alzheimer 's disease, substance abuse