1 Some amount of stress is healthy, but excessive stress, left untreated, can lead to anxiety and illness.  In the American Psychological Association's Stress in America Survey, major causes of stress listed included work, money, and the economy.
The VM file extension is used to refer to virtual memory files in the GeoWorks or PC/GEOS DOS-based graphical user interface-GUI.VM virtual memory files are used in IBM compatible systems. Virtual Memory VM files provide the operating environment with additional resources and support large scale programming projects.uthor: Bread Box Computer Company LLC. The VM file extension is used to refer to virtual memory files in the GeoWorks or PC/GEOS DOS-based graphical user interface-GUI. VM virtual memory files are used in IBM compatible systems.
Virtual Hard Disks (abbreviated to VHDs) are files on the physical machine that store the hard disk contents of a Virtual Machine (VM). Each VHD file is treated as a separate hard disk by WindowsÂ® Virtual PC (WVPC). The Virtual Hard Disk file format is an open standard. For the curious, the specifications of VHD file format can be found here: http://technet.microsoft.com/en-us/virtualserver/bb676673.aspx.