27797
In terms of the mechanisms , we found that fatty acid amide hydrolase ( FAAH ) which degrades anandamide , was upregulated after nerve injury at both ages , so that this upregulation likely did not account for the age - dependent differences .
 Chemical: fatty acid; Chemical: amide; Chemical: anandamide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: fatty acid; Chemical: amide; Chemical: anandamide