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A class of drugs commonly used for this (often prescribed to treat high blood pressure/hypertension) is called Calcium Channel Blockers (CCB). According to the Mayo Foundation for Medical Education and Research:

"Calcium channel blockers prevent calcium from entering cells of the heart and blood vessel walls, resulting in lower blood pressure. Calcium channel blockers, also called calcium antagonists, relax and widen blood vessels by affecting the muscle cells in the arterial walls."


calcium channel blockers

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