<human>:  What are the effects of too much sugar on the human body?
<bot>: Too much sugar can lead to a range of negative effects on the human body. It can cause an increase in blood sugar levels that can lead to diabetes, and it can cause weight gain and an increased risk of heart disease. Too much sugar can also increase inflammation in the body, which can lead to a range of other issues, including joint pain and headaches. In addition, too much sugar can lead to cavities and can damage the teeth. Finally, too much sugar can lead to mood swings, fatigue, and poor concentration.