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.
If you experience sudden swelling of your veins along with pain, ulcers, chest pain or shortness of breath, seek prompt medical care. This could be signs of a blood clot or peripheral vascular disease. Conditions That Cause Swollen Veins. Varicose veins. One common cause of swollen veins is varicose veins and spider veins. Varicose veins appear swollen and distorted, and are dark purple or blue in color. They can occur anywhere on the body but most often show up on the legs and feet.