The effect of sugar on overall health is multifaceted; excessive consumption is linked to various health issues, including obesity, diabetes, and cardiovascular diseases. High sugar intake can lead to weight gain, as it often contributes to excess calories without nutritional value. Moreover, sugar can cause fluctuations in energy levels and mood due to its impact on blood sugar levels. Reducing added sugars in diets supports better health outcomes, promoting overall well-being and mitigating the risk of chronic diseases.