Mumbai: Just as the world is watching Japan all over again after it announced that contaminated water from its crippled nuclear plants would be released into the sea, the medical world is slowly talking about a touchy topic: Is radiation from medical devices harmful? Medical scans have emerged as the final diagnostic answer for many diseases such as cancer. Nuclear medicine scans and treatment are considered as the most under-utilized but maximum potential fields. But what about excessive prescriptions? More so for the common man who in this technology-driven age begins his morning with radiation