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.
What is GED? You may have heard people refer to the GED as the General Educational Diploma or the General Equivalency Diploma, but these are incorrect. GED stands for General Educational Development. GED is actually the process of earning the equivalent of your high school diploma, which is called a GED certificate or credential.