![Host Brian Mackey attended the Illinois State Fair to talk to Jerry Costello ll (left), the director of the Illinois Department of Agriculture.](/images/uploads/_small/The_21st_Main_Image_-_Aug_9.png)
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![Host Brian Mackey attended the Illinois State Fair to talk to Jerry Costello ll (left), the director of the Illinois Department of Agriculture.](/images/uploads/_small/The_21st_Main_Image_-_Aug_9.png)
![Students walk on the north side of the University of Illinois Urbana-Champaign's Main Quad.](/images/uploads/_small/The_21st_Main_Image_-_Aug_8_2.png)
![Aerial application of pesticides near a neighborhood.](/images/uploads/_small/The_21st_Main_Image_-_Aug_8.png)
![Gopnik alongside his new book,](/images/uploads/_small/The_21st_Main_Image_-_Aug_7_%281%29.png)
![A pile of peanuts](/images/uploads/_small/The_21st_Main_Image_-_Aug_6_2_%281%29.png)
Pediatrician explains why giving infants peanuts may prevent allergies later
A Northwestern study found that parents are less likely to be informed about the newest guidance from pediatrics on how to help their children avoid developing peanut allergies.