22581
Testosterone has been shown to suppress the acute stress - induced activation of the hypothalamic - pituitary - adrenal axis ; however , the mechanisms underlying this response remain unclear .
 Chemical: Testosterone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Testosterone