Low concentrations of HDL (below 40 mg/dL for men, below 50 mg/dL for women) increase the risk for atherosclerotic diseases. Data from the landmark Framingham Heart Study showed that, for a given level of LDL, the risk of heart disease increases 10-fold as the HDL varies from high to low.
evacuation. 1  the act or process of evacuating, or the condition of being evacuated; discharge or expulsion, as of contents. 2  Physiology. discharge, as of waste matter through the excretory passages, especially from the bowels. 3  something evacuated or discharged. 4  the removal of persons or things from an endangered area.
Dunkirk evacuation. Dunkirk evacuation, (1940) in World War II, the evacuation of the British Expeditionary Force (BEF) and other Allied troops from the French seaport of Dunkirk (Dunkerque) to England. Naval vessels and hundreds of civilian boats were used in the evacuation, which began on May 26.