1) Show me that study. Also, varicose veins suggest otherwise. Good muscle tone helps to prevent them. Apparently standing does not provide the right impulse. Y

1) Show me that study. Also, varicose veins suggest otherwise. Good muscle tone helps to prevent them. Apparently standing does not provide the right impulse. Yes, you will burn slightly more calories but at what cost? 2) This is even more out there and suspicious claim. Varicose veins form out of impaired blood flow, not improved. 3) Do you mean situps? I heard they are an actual exercise.