3580
Tests used to evaluate the changes in sexual behavior showed a significant decrease in sexual desire , sexual excitement phase ( erection ) , and frequency of sexual relations in the study group .
 Disease: decrease in sexual desire
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:
 Disease: decrease in sexual desire