Pathology of the great saphenous vein is relatively common, but in isolation typically not life-threatening. Varicose veins: The great saphenous vein, like other superficial veins, can become varicose; swollen, twisted and lengthened, and generally considered to be unsightly.
These fruits and vegetables have zero carbs: 1  Spinach. 2  Lettuce. 3  Chard. Bok choy. 4  Radish. Mushrooms. 5  Cabbage. Asparagus. 6  Cucumber. Collard  greens. Bean sprouts.
Starchy vegetables like potatoes and corn also contain carbohydrates, but in larger amounts. According to the American Diabetes Association, nonstarchy vegetables generally contain only about 5 grams of carbohydrates per cup of raw vegetables, and most of those carbs come from fiber.