16 Reasons to Avoid Soda - What Happens to Your Body When You Drink Soda

Damages the Teeth: 
Drinking soda damages the teeth due to its acid level and high sugar content. The sugar increases the risk of cavities. The various acids in soda cause tooth erosion. Tooth erosion involves the decrease in dental tissues including dentine and enamel. In one study, bovine teeth were extracted, and enamel was measured. The teeth were placed in 200 ml of various sugary drinks including different types of soda for one week. The teeth exposed to citrus sodas had significant loss of dental hard tissue.