Word: lipoprotein
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...England Journal focused on how a fish diet affects the body. Researchers at the Oregon Health Sciences University in Portland found that adding salmon oil to the diet seems to help lower the levels of triglycerides and a type of cholesterol known as VLDL (very-low-density lipoprotein) in patients with high levels of these potentially dangerous fatty substances. According to Dr. William Connor, who headed the study, as much as 30% of the adult American population has high levels of these fats. In the past, these people have been advised to avoid fatty fishes like salmon. But, the researchers...
There was much to learn. Cholesterol, as Shragai found out, is packaged by the body in envelopes of protein, and only some of these packages are potentially harmful. The main culprit, LDL (for low-density lipoprotein), is the body's oil truck, circulating in the blood, delivering fat and cholesterol to the cells. Studies have shown that the higher the level of LDL, the greater the risk of atherosclerosis. Another type of cholesterol package is called HDL (for high-density lipoprotein). It appears to play a salutary role, helping remove cholesterol from circulation and reducing the risk of heart...
...cholesterol issue has been complicated in the past decade by new discoveries about the fatty proteins that carry cholesterol in the blood: high-density lipoprotein (HDL), low-density lipoprotein (LDL) and very-low-density lipoprotein (VLDL). HDL-cholesterol appears to be "good" cholesterol. Explains Dr. Antonio Gotto of the Baylor College of Medicine in Houston: "We think that high-density lipoprotein may work as a scavenger of cholesterol from the tissues, ridding the body of excess cholesterol." Research is under way to determine whether coronary disease can be fought more effectively by manipulating the levels...
There is evidence to support such optimism. Studies have shown that running-indeed, all strenuous exercise-can elevate the blood levels of a form of cholesterol called high-density lipoprotein (HDL). This substance helps remove other, more harmful types of cholesterol from the body and presumably reduces the chances of such materials building up in the arteries. Studying 218 marathoners, joggers and nonrunners, G. Harley Hartung of the Baylor College of Medicine in Houston found that the marathoners had the highest level of HDL. Other factors may be at work; marathoners tend to be relaxed, eat healthful foods, not smoke...
...Mass., Honolulu, San Francisco, Evans County, Ga., and Albany, N.Y.-Statistician Tavia Gordon of the National Institutes of Health in Bethesda, Md., noticed an unusual correlation. Virtually all those with heart disease-regardless of age, sex or racial background-also had reduced levels of a substance called high-density lipoprotein (HDL) in their blood. By contrast, those free of atherosclerosis showed remarkably elevated HDL counts...