1. They increase the risk of diabetes

All the escalated levels of sugar in your cola drink make your insulin levels shoot up creating havoc in your body. According to a study conducted in the early millennium, the consumption of sugar-sweetened drinks leads up to 130,000 new cases of diabetes every year.
2. They can increase the risk of developing cancer

Drinking just two soft drinks a week can increase the amount of insulin produced in your body and double the risk of pancreatic cancer. Women with high consumption of soft drinks are at the risk of developing breast cancer as the colouring agents used in colas are carcinogenic.