Vending machines can serve a multitude of purposes for consumers that range from providing food items to exchanging coins for paper money (or vice versa). Because the pathway to starting a vending machine business is so accessible, the sum of costs involved in operating the machine(s) is sometimes overlooked.
Cancer can also cause blood thickening. Not all blood clots are caused by thick blood. Blood clots leading to heart attacks and strokes can be formed when thin blood comes into contact with plaque, which triggers a blood clot. Some blood clots result from sluggish blood flow or poor circulation.
Deep varicose veins while usually not visible will result in chronic swelling of the feet, ankles and legs. When the blood is not circulated from the feet back to the heart gravity will cause the fluid to collect in the feet and ankles. This results in swelling, called edema.