Rakesh Gupta's patients have back pain. Their necks ache. Their vision is blurred. But above all else, their hands hurt.
"It's very obvious when they spend a long time sitting behind a desk, staring at a computer, chatting away, these problems are going to happen," he said.
Gupta told ABC News his patients are not socializing online and they're not playing computer games. They work 10 hours a day talking to Western customers thousands of miles away.
They are the foot soldiers of the...Full Story