The life expectancy of Indians is increasing but also the number of patients with cancer. And a recent study stated that cancer cases will double every 20 years in the country. The states which are facing a huge gap in demand and supply of cancer treatment facilities will bear the biggest cancer burden in the next 10-20 years the study added. These include Uttar Pradesh Bihar Jharkhand and Odisha. The researchers suggested taking immediate steps to address the gap. The study — History of the Growing Burden of Cancer in India: From Antiquity to the 21st Century —appeared in the