Diabetes is set to become one of the biggest killers of our time, with about 285 million people thought to suffer from the disease worldwide.

The cause can often be traced back to people's lifestyle, and in the Gulf, where fastfood joints enjoy a roaring trade, one in four people are living with diabetes.

Al Jazeera's Stefanie Dekker reports from Doha, the Qatari capital, on the problem of diabetes there and the steps being taken to deal with it.