Important nutrients such as chromium, manganese, cobalt, copper, zinc ,and magnesium are stripped away in sugar refining and our bodies have to use their own mineral reserves to digest it. As such it robs us and is an anti-nutrient. Sugar is associated with dental cavities, weakened immunity, heart disease, high blood pressure, cancer and more. The three leading killers in North America are heart disease, cancer and diabetes. None of these conditions exists in primitive cultures who do not have access to refined sugar until 20 years after their introduction.
Sugar is an immunosuppressant.
It reduces the production of antibodies, proteins that combine with and inactivate foreign invaders in the body. It interferes with the transport of vitamin C, one of the most important nutrients for all facets of immune function. It neutralizes the action of essential fatty acids, thus making cells more permeable to invasion by allergens and microorganisms. Carbohydrates are very important in our diet. They provide the glucose that we need to run our brains, and work our muscles for instance.