As well as the majority of drugs are of positive side of Phentermine, but there are also dark, more negative sides. People use Phentermine, because they want to grow thin. Really, even doctors appoint to its patients for this reason - to help them to grow thin because they are on higher of medical risk as their weight. Certainly, the majority of people use Phentermine for the cosmetic purposes: in a modern society, we, apparently, think that we do not have place for people with excess weight.