Word: ldl
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Dates: during 1990-1999
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Scientists at Harvard and elsewhere haveproposed that beta carotene could hinder theoperation of low density lipoproteins (LDL), aform of cholesterol which is a prime suspect intumor growth...
Although they have no direct evidence,clinicians have seen oxidized LDL (LDL which hasabsorbed oxygen ions) devastate cells grown inpetri dishes, and they have suggested that itwould cause similar damage--perhaps even promotecancer growth--when shuttling through thecirculatory system of a human...
...Oxidized LDL could be lethal in another manneras well: by attracting "foam cells" ormacrophages, which cause plaque to grow on arterywalls, the molecule may lead directly to heartdisease...
...scant, 6% level of saturated fat, in contrast to 14% in olive oil and 51% in palm oil. Canola also contains high levels of monounsaturated fat. For a number of years, consuming that substance was thought to reduce the "bad" type of cholesterol in the blood known as LDL (low-density lipoprotein). Recent studies suggest, however, that monounsaturated fat has no special power but is valuable as a replacement for damaging saturated fats...
...disease strike women later in life, but blood cholesterol levels seem to play a somewhat different role in female patients. Dr. John Crouse, a lipids researcher at Bowman Gray School of Medicine in North Carolina, notes that women seem to be less vulnerable than men to high levels of LDL, the so-called bad cholesterol, and more vulnerable to low levels of HDL, the "good" cholesterol. Diets that reduce both levels, such as the one promoted by the American Heart Association, may actually harm women, Crouse argues. The dearth of data on women and heart disease may also have contributed...