Why Do I Crave Greasy Food When I'm Sick?
                                
                                
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                                    4 min read                                
                            
                                According to a study published in the journal *Nature*, fat entering the intestines triggers a signal to the brain that drives the desire for fatty foods. This gut-brain connection offers one explanation for why you might crave greasy food when you're sick, alongside other factors like your immune system's energy needs and the psychological comfort we associate with certain foods.