What Is the Objective of Thirst? Understanding the Body's Hydration Signal
                                
                                
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                                    4 min read                                
                            
                                According to the Cleveland Clinic, dehydration is a condition where you lose so much body fluid that your body can't function normally. The primary objective of thirst is your body's fundamental, biological alarm system, signaling the need for water to maintain a stable internal environment known as homeostasis.