High-fructose diets can have detrimental effects on health, including increased risks of obesity, diabetes, and metabolic syndrome. High levels of fructose can contribute to the accumulation of visceral fat and lead to insulin resistance, which interferes with the body’s ability to regulate blood sugar levels. Additionally, excessive consumption of high-fructose corn syrup found in many processed foods can cause a range of other health issues like fatty liver disease and cardiovascular problems. Balancing sugar intake is therefore essential for maintaining optimal health.