What is the downside to fasting? Common risks and considerations
                                
                                
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                                    6 min read                                
                            
                                Over 70% of people who try intermittent fasting experience initial side effects like headaches, lethargy, or mood swings. While often temporary, these are just some of the potential downsides to fasting that individuals should be aware of, especially those with pre-existing health conditions.