22667
For decades high - density lipoproteins ( HDL ) and HDL - cholesterol ( HDL - C ) levels were viewed as synonymous and modulation of HDL - C levels by drug therapy held great promise for the prevention and treatment of cardiovascular disease .
 Chemical: cholesterol
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: cholesterol 
Answer:
 Chemical: cholesterol