In breakthrough research, Harvard scientists have revealed that invisible pollutants in everyday air literally poison the endothelium—the microscopic cell layer in your arteries responsible for producing nitric oxide (NO), the molecule that keeps vessels relaxed. When NO synthesis plummets, arteries constrict, sending blood pressure soaring.

But a 2,500-year-old Greek garlic ritual—used for millennia by Icaria’s famously long-lived men—has been shown to rejuvenate endothelial cells, reignite NO production, and restore natural vessel flexibility. Early clinical observations mirror the islanders’ near-perfect cardiovascular health, suggesting that this simple dietary practice could hold the key to how to lower blood pressure naturally.

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