India, Feb. 3 -- If you have had to indulge in small talk at a social gathering in India in the past few years, you would know that every second person has a theory about the country's high cancer rate. In fact, if you have been to a wedding or a birthday celebration or even an old gang reunion where the conversation on at least one table has not inevitably drifted towards somebody being diagnosed with this disease, then you have been a part of quite a lucky gathering. Until a few years ago, when one mentioned the C-word, people almost instantly reached the tragic assumption that the affected person will not be able to survive. From air pollution and stress to fast food and mobile phones, almost everything about the world we live in has b...