A healthy diet and regular exercise are the mainstays of treatment for people with Type 2 diabetes. But when diet and exercise aren't enough to control blood sugar, diabetes patients may need medication — and they just got a new option.

For patients with type 2 diabetes, the medication canagliflozin has been shown to improve blood sugar levels and lower weight. Now, this therapy may also help those without diabetes to lose weight.

Diabetes is a big problem in the US — and thus, it is a big focus of doctors, researchers and pharmaceutical companies alike. New medications and developments alter how diabetes is treated.