924
We considered the following 12 risk or protective factors : personal history of head trauma , pesticide use , immunologic diseases , anemia , hysterectomy ( in women only ) , cigarette smoking , coffee consumption , and education ; and family history of parkinsonism , essential tremor , dementia , or psychiatric disorders .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None