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.
Fish lacks carbs and provides omega-3 fatty acids. You have a lot of zero-carb foods to choose from on a low-carb diet. All of the major proteins -- meat, poultry and fish -- are naturally free of carbs and sugar. A variety of oils, vinegars and seasonings are also on the carb-free list. But there are some exceptions.