A systematic review and meta-analysis published in The Journal of General Internal Medicine found that periodontal disease increases the risk of coronary heart disease by 24 to 34 percent. One reason might be the presence of harmful bacteria in the mouth, which not only causes gum disease but also promotes systemic inflammation throughout the body.
This article is about the Latin phrase. For the physical theory, see quantum electrodynamics. For other uses, see QED (disambiguation). Q.E.D. (also written QED) is an initialism of the Latin phrase quod erat demonstrandum, meaning what was to be demonstrated, or, less formally, thus it has been demonstrated.
Catchpoint. A GUID (global unique identifier) is a term used by Microsoft for a number that its programming generates to create a unique identity for an entity such as a Word document.GUIDs are widely used in Microsoft products to identify interfaces, replica sets, records, and other objects.he GUID numbers generated for Office documents on Mac and networked PCs have been found to incorporate the unique identification number of the computer's card. The fact that Office documents, such as a Word file or an Excel spreadsheet, contain a GUID is not made evident to users.