When dealing with cancer, learning about glycobiology will assist you in addition to chemotherapy or whatever your doctor prescribed. Sugar chains act as receptors of hormones in the body. They allow insulin and other hormones to send messages across the surface membrane of cells so they can work properly. The brain functions the same way with receptors controlling its activity. If toxins or cancer cells enter the body, they can interfere with normal cell movement and spread throughout the bloodstream. Knowing how the body interacts with sugar chains will help you understand why cancer occurs.