Stress is a big problem in America. Chronic stress is linked to the six leading causes of death: heart disease, lung ailments, cancer, cirrhosis of the liver, accidents, and suicide. Further, over 75 percent of all physician office visits are for stress-related issues. So the ways we cope with stress have evolved far beyond the standard squishy ball. If the pressures of everyday life have turned you into a mess of nerves, picking up one of these items — as bizarre as they look — might just help you mellow out.