What's more fattening, beer or mixed drinks? Calorie counts compared
                                
                                
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                                    3 min read                                
                            
                                According to the World Cancer Research Fund, alcohol contains a high concentration of calories—seven calories per gram, nearly as much as pure fat. When it comes to deciding what's more fattening, beer or mixed drinks, the answer isn't always straightforward and depends heavily on the specific beverage and serving size.