1 Interchangeable needle kits are exactly what they sound like--a set of knitting needle tips, and a set of cords of varying length that can attach and detach from the tips to create many different combinations of needle sizes and cord lengths.
Poor circulation (blood flow) can make your foot less able to fight infection and to heal. Diabetes causes blood vessels of the foot and leg to narrow and harden. You can control some of the things that cause poor blood flow. Don't smoke; smoking makes arteries harden faster.
Note: diabetes insipidus should not be confused with the much more common type of diabetes called diabetes mellitus. The two conditions are not related. Diabetes mellitus can also make you feel thirsty and pass lots of urine. It occurs when the level of sugar (glucose) in your blood becomes higher than normal. In diabetes insipidus, there is no problem with the level of glucose in your blood.