10781
In addition , the induction of P450 1A1 / 2 and NQO1 enzymes can influence individual human susceptibility to other environmental carcinogens and have an effect on cancer risk .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None