Chocolate cause acne? Recently, research at the University of Venice in Virginia City in the United States, where page, a number of inflammatory acne patients 65 people eat chocolate in large quantities and found that 46 people have not changed in 10 acne better and 9 people worse. Indicates that the chocolate does not have any impact as the acne. The researchers found that the compound called theobromine. In the chocolate was more effective than codeine cough medicine in pressing without side effects such as sleepiness or constipation.