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The FDA says concerns on black licorice overdosing relate to the compound glycyrrhizin. Photo: ©GettyImages/lpm12

FDA issues black licorice ‘overdose’ warning before Halloween

By Douglas Yu

Eating two ounces of black licorice a day for at least two weeks could land a person older than 40 years old in the hospital with an irregular heart rhythm, the US Food and Drug Administration (FDA) warned the day before Halloween this year.