777
A correlation was observed between central nervous system disorders and rLung , one of the three humors in Tibetan medicine , which imbalance is the source of mental disorders , and ten multi - ingredient formulas used to treat the imbalance of this particular humor were identified .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None