
Block arteries are often associated with heart strokes or attacks, but they can manifest in different ways. When those arteries become narrowed or obstructed, the hands may even begin to show some signs, unusually so, long before things become critical. If the blood flow in the arms or hands is reduced, the tissues are not receiving enough oxygen and nutrients they need. Over time, this can worsen from mild numbness to serious health complications..Here are five most overlooked warning signs that may indicate block or narrowed arteries.