Google's health conditions feature is about making it easier to find information about an illness. So, when there's a local outbreak, or you get early symptoms, you can be better prepared. Mountain View has doubled the number of diseases in its database, bringing the number up to over 900 -- including neglected tropical diseases and infections that typically affect people in developing nations. If you do a query for any of those illnesses on either mobile or desktop, you'll see a quick results panel, which contains info on its symptoms, treatments and prevalence.