What Happens If You Eat 20 Billion Calories? The Impossible Explained
                                
                                
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                                    4 min read                                
                            
                                The human stomach can hold, at most, about 4 liters of contents before rupturing. Therefore, the simple answer to what happens if you eat 20 billion calories is that it is a physical impossibility for the human body. A person would die long before ingesting such a monumental amount of food, and the entire premise rests on a significant misunderstanding of energy.