A gastroenterologist trained at AIIMS, Harvard, and Stanford suggests that subtle gut health issues can manifest before major problems arise. Early warning signs of gut imbalance may include new food sensitivities, rather than just bloating. For insulin resistance, stubborn belly fat can be an initial indicator before diabetes develops. Dehydration might first appear as brain fog and sugar cravings, preceding thirst. Recognizing these early signals is crucial for timely intervention and overall well-being.