Most people are aware of the common diseases and conditions that can kill - things like Ebola, various cancers, and so on. But what we don't normally consider are those conditions that seem harmless but can actually be rather deadly.As it turns out, there are a lot of things that cause deaths all around the world, that for the most part we see as common ailments. Some of these conditions simply require early detection, for others it is much more difficult to determine whether they will be more or less aggressive from the start. Find out below, if you're just...