The fight against cancer is often lost before it is even waged. Too many patients get the news too late. However, the battle may soon take a turn, as advances on the nano frontier bring more sophisticated firepower to the front lines. Latest developments include nanosensors that can detect minute amounts of cancer biomarkers in human blood. Forewarned is forearmed, and such early warnings allows doctors to use their entire medical armament, buying precious time to save a human life.