24973
Results : Our results indicated that the FAAH Pro129Thr polymorphism showed a significant association with risk of methamphetamine dependence in the pooled subjects ( odds ratio [ OR ] : 2 . 017 ; p < 0 . 001 ) and in the Malay ( OR : 2 . 829 ; p < 0 . 001 ) and Chinese ( OR : 3 . 685 ; p < 0 . 001 ) groups .
 methamphetamine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 methamphetamine