Cholesterol OverviewCholesterol is a soft, fat-like, waxy substance that is found in the blood stream and all of your body’s cells. It is an important part of a healthy body, since it is used for producing cell membranes, hormones, and needed to complete other bodily functions. The cholesterol in our bodies is either ingested in the foods we eat or is produced by our own bodies. 75 percent of blood cholesterol is produced by the liver. Too much cholesterol in the blood, however, is a serious risk factor for coronary heart disease and stroke. The medical term for high levels of blood cholesterol is called hypercholesterolemia. The body produces two types of cholesterol: LDL cholesterol and HDL cholesterol.
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Cancer drug points way to new Alzheimer's approach
An altered version of the cancer drug Gleevec could form the basis of a new class of drugs that block the development of brain-damaging plaques in Alzheimer's disease, U.S. researchers said on Wednesday.
Antibiotic helped fight common wound infection
An antibiotic that gets its microbe-fighting power from insect proteins was effective at attacking a common infection that afflicts blast victims in war zones, U.S. researchers said on Wednesday.
Unnecessary pre-op tests very common, and costly
Women scheduled for gynecologic surgery are very likely to undergo unnecessary tests before their operation, new research shows.
Stem cell firms defend record after criticism
Cell therapy companies in China and Germany who were criticized by British experts warning of the dangers of "stem cell tourism" defended themselves on Wednesday, saying their safety records were good.
First-time mothers drive up c-section rate: study
Women should only have a cesarean delivery if there is a medical reason for it, and doctors should not switch a vaginal birth to a cesarean section sooner than recommended, conclude the authors of a new study.
Moscow bans night-time vodka sales in health drive
Moscow banned night-time sales of vodka and other spirits on Wednesday, part of a nationwide drive to curb crime and disease linked with Russia's national drink.
Too little sleep bad for teenagers' diets: study
Teenagers who sleep less than eight hours a night on weeknights eat more fatty foods and snacks than those who get more than eight hours of sleep a night, U.S. researchers said on Wednesday.
Sugar for newborns does not relieve pain: study
Contrary to international guidelines, sugar given to newborn babies does not ease pain, according to a study published on Thursday by The Lancet.
Journal editors question sale of diet pill Meridia
Editors of a top medical journal call Meridia "another flawed diet pill" and question whether it should stay on the market as a study shows it raises the risk of heart attack and stroke in people with heart problems.
New test seen as big advance in diagnosing TB
Scientists are reporting a major advance in diagnosing tuberculosis: A new test can reveal in less than two hours, with very high accuracy, whether someone has the disease and if it's resistant to the main drug for treating it.
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