2607
OBJECTIVES : The current study is the first to explore the effects of ecstasy - polydrug use on psychological distress and basal functioning of the HPA axis through assessing the secretion of cortisol across the diurnal period .
 Chemical: ecstasy; Chemical: cortisol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: ecstasy; Chemical: cortisol