29
Although hormetic effects may occur in some instances , it is indeed rare that exposures to toxic , mutagenic , teratogenic , and carcinogenic chemicals , even at low exposure levels , would be risk free and provide health benefits for the general public .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None