K. “Vish” Viswanath, PhD, is director of the Harvard T.H. Chan School of Public Health India Research Center. He is also the Lee Kum Kee Professor of Health Communication at Harvard Chan. He holds a joint appointment at the MacGraw-Patterson Center for Population Sciences at the Dana-Farber Cancer Institute and is director of the Center for Translational Health Communication Science at the Harvard Chan School and Dana-Farber Cancer Institute. Professor…