 While scientific authorities agree that dietary sugars are a source of empty calories associated with certain health problems, the belief that glucose-fructose syrups such as HFCS are especially unhealthy is not supported by scientific evidence.Health authorities and the FDA recommend limiting the overall consumption of sugar-based sweeteners.Since the 6th century BC, cane sugar producers have crushed the harvested vegetable material from sugarcane in order to collect and filter the juice.