There are two ride-hailing apps that dominate the scene: Uber and Lyft. Both have been around for the last several years, with Uber starting around 2009 and Lyft launching in 2012. Both have apps for Android and iOS, while only Uber has an app for Windows Phone as well.
Medicine/Medical. the preventing of disease. the prevention of a specific disease, as by studying the biological behavior, transmission, etc., of its causative agent and applying a series of measures against it. prophylactic treatment, as the cleaning of the teeth by a dentist or dental hygienist.
Prophylaxis refers to all the things people do to prevent disease. Prophylaxis is part of medicine. If you've ever heard of someone using prophylactics to prevent a disease â often a sexually transmitted disease â then you have a clue to the meaning of prophylaxis, which refers to the prevention of disease. Anything you do to stay healthy and keep illness at bay would be categorized as prophylaxis.