29482
In conclusion , lifestyle changes ( diet , exercise and behavioral modification ) , particularly when combined with anti - obesity agents , exert beneficial effects on the endocrine abnormalities of obese patients with PCOS and improve metabolic parameters .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None