Responsible for 1.5 to 5 million deaths per year, around the world, Diabetes mellitus is a very serious disease. India is considered the diabetes capital of the world with as many as 50 million people suffering from type 2 diabetes. This World Diabetes Day, the Research Matters team caught up with Dr. Milind Watve, a professor at the Indian Institute of Science Education and Research Pune and an expert in the field, to find out about the new insights into how better to treat the disease.