4031
The frequency of eating dark - meat fish was positively associated with serum eicosapentaenoic acid and docosahexaenoic acid , omega3 fatty acids , and inversely associated with serum stearic acid and linoleic acid .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None