In this Wednesday, April 26, 2017 photo, Rohin Sarin, front row right, and his classmates listen to their math teacher inside a classroom in New Delhi, India. Rohin is one of a growing number of Indians with diabetes, with the disease increasingly afflicting children and adolescents in the fast-growing South Asian country. Nearly 30 percent of India’s teenagers are obese, nearly twice the number in 2010, according to health ministry statistics. (AP Photo /Tsering Topgyal)