When a person's veins grow and swell, varicose veins develop. They may cause pain and discomfort in certain persons. Numerous at-home remedies could aid in easing the discomfort and look of varicose veins. What are varicose veins? Dark blue or purple-looking varicose veins may come from the skin's surface. When the vein's tiny valves weaken and result in varicose veins....