124601
Although no liver problems are normally encountered with valerian use , there have been case studies in which hepatotoxicity has been observed in apparently hypersensitive individuals following short-term use ( e.g. one month ) .
 hepatotoxicity
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 hepatotoxicity