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You've felt it before. That low, insistent rumble in your belly during a long meeting. The unsettling churn before a nerve-wracking presentation. We call these "gut feelings" – and while the phrase gets used loosely, science increasingly tells us they're anything but casual. The gut-brain axis, a two-way communication highway between the digestive system and the brain, shapes everything from appetite and mood to decision-making.

For the roughly 500 million people living with diabetes worldwide, even a small cut or blister on the foot can become a crisis. Diabetic wounds heal slowly, resist treatment, invite infection, and in severe cases lead to amputation. Doctors have limited options, and the search for better therapies is painfully slow.