How Unhealthy Is a Whole Bag of Popcorn? The Surprising Truth
                                
                                
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                                    4 min read                                
                            
                                A large tub of movie theater popcorn can pack more than 1,000 calories and exceed a day's worth of sodium before any extra butter is added. This fact highlights the critical distinction that the 'health' of a whole bag of popcorn is entirely dependent on its preparation, ingredients, and portion size.