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OBJECTIVES : This work summarizes research on the molecular mechanisms that underlie the increased risk of cancer development in adulthood that is associated with early - life iAs exposure .
 Disease: cancer; Chemical: iAs
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: cancer; Chemical: iAs