3372
After 12 weeks of a high - fat diet , obese rats underwent treadmill running at 26 m / min ( 60 min each , 5 days / week for 8 weeks ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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