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.
It can contribute to mouth infections and tooth decay. Dry mouth can also be a red flag for other physical problems, according to Healthscout.com. If you are diabetic and your disease is poorly controlled, this can result in dry mouth during the night, or dry mouth can be an indicator that you have diabetes.