More youngsters are developing cancer in India, doctors said at a conference here Thursday. However, most of those affected by the disease remain ignorant about it, which leads to delays in diagnosis and treatment, they said. We are seeing more cases of cancer among teenagers and young adults. However, not much attention is being paid to it, said Dr. G. K. Rath, director of the Dr. B.R.A. Institute Rotary Cancer Hospital at All India Institute of Medical Science (AIIMS).