December 7, 2013; 3:35 AM ET
A bitterly cold and snowflake-filled weekend is in store for the Windy City. more >
A 10-year-old boy got a surprise bonus after being treated for leukemia: The very same procedure that cured his cancer also may have cured his severe peanut allergy.
Everything you need to know about fall allergies and how the weather spreads pollens.