There is compelling evidence for avoiding all sugar-sweetened as well as artificially sweetened beverages. These include soft drinks, sport drinks, energy drinks, sweetened teas and coffees, fruit drinks, and fruit juices.
A 22-year study that involved 114,000 health professionals showed that those who drank a sugary soft drink at least once a day had about a 30 percent higher risk than those who drank one less than once a month. Even those who drank fruit juice at least once a day had a 21 percent higher risk than those who drank juice less than once a week.
Most forms of sugar contain both glucose and fructose. Table sugar is half glucose and half fructose. It is well known that glucose raises blood sugar levels but what about fructose which is supposed to have a much lower glycemic index (effect on blood sugar) than glucose?
Researchers found that glucose and fructose are metabolized very differently by the body. After eating fructose, 100 percent of the metabolic burden rests on the liver. With glucose, the liver has to break down only 20 percent.
Fructose activates a powerful biological switch that causes weight gain (especially the dangerous belly fat) and impairs insulin sensitivity, setting the stage for the development of diabetes. Additionally, fructose elevates triglycerides (a form of fat in the blood), LDL (bad) cholesterol, blood pressure, and causes gout and non-alcoholic fatty liver disease.
Therefore, it is only wise to limit not just your glucose but also fructose consumption. High concentrations of fructose are found in fruit juice and sweeteners like table sugar, high fructose corn syrup, agave nectar, and even honey.