Sweet tea, and other similar beverages, contain large amounts of sugar, the consumption of which usually leads to health issues over time. Excessive sugar consumption increases chances of developing heart disease, diabetes, high blood pressure and Alzheimer's disease.
Adults who intake 25 percent or more of daily calories from sugar are more than twice as likely to die from heart disease compared to people who ate 10 percent or less.
Excess sugar consumption changes metabolism, alters hormone signalling and causes liver damage. 35 million deaths occur annually from diseases caused by excessive sugar consumption. For a healthy diet, less than 100 calories from sugar a day for women, and 150 calories for men.