What Important Issues Will Machine Learning Solve in the Next Few Years?

Something that I think should be fully available and would be of tremendous benefit is the use of machine learning tools to help medical diagnosis. It's quite feasible to imagine that a good fraction of the medical knowledge of which symptoms are related to which diseases. Based on this we should never be in the situation of a doctor missing' a diagnosis. Indeed, it's quite conceivable that the entire medical history of an individual should be signficantly able to help form a diagnosis.