Cholesterol News and Research

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Cholesterol is a waxy, fat-like substance made in the liver, and found in the blood and in all cells of the body. Cholesterol is important for good health and is needed for making cell walls, tissues, hormones, vitamin D, and bile acid.

Ernst Mayr's theory illustrated in genetic epidemiology studies

The late, famed evolutionary biologist Ernst Mayr's theory of genetic revolution , introduced in 1954, remains controversial to this day and has many detractors.

19 Feb 2006

Fat chance of getting consistent advice on diets

The Women's Health Initiative (WHI) Dietary Modification Trial, which involved nearly 49,000 women aged 50 to 79, over an eight year period, has confirmed that fat balance and fat quality are the key factors to be considered when people are aiming for good health and a lower risk of disease.

19 Feb 2006

Rimonabant produces sustained weight loss long term

Use of the weight-loss medication rimonabant produced modest yet sustained weight loss after 2 years, and improved HDL cholesterol and triglyceride levels, according to a study in the February 15 issue of JAMA: The Journal of the American Medical Association.

17 Feb 2006

Grapefruits help reduce cholesterol

A grapefruit a day - particularly the red variety - can help keep heart disease at bay, according to a new study by Israeli researchers.

16 Feb 2006

Research may help explain Alzheimer's memory loss

Based on laboratory research, scientists at Georgetown University Medical Center have a new theory as to why people with Alzheimer's disease have trouble performing even the simplest memory tasks, such as remembering a family member's name.

16 Feb 2006

Central adiposity, regional fat distribution, and the risk of cholecystectomy in women

A bulging midriff almost doubles a woman's chances of developing gallstones and the need for surgery to remove them, finds an extensive study published ahead of print in Gut.

16 Feb 2006

Link between glucose levels and death in patients with cardiovascular disease

Men with cardiovascular disease may be at considerably increased risk for death even when their blood sugar level remains in the "normal" range, suggests a new study by a team of scientists at UCLA and Cedars-Sinai Medical Center in Los Angeles.

16 Feb 2006

Grapefruit reduces risk from heart disease

Heart disease patients who eat one grapefruit daily can significantly reduce the levels of cholesterol in their blood in comparison to patients who do not eat the fruit, a new study has found. Chronic high blood cholesterol is a major risk factor for heart disease.

16 Feb 2006

The pros and cons of new anti-obesity drug

According to researchers at New York's Columbia University College of Physicians and Surgeons, an anti-obesity drug that turns off the same brain circuits which trigger the marijuana-induced hunger pangs, appears to produce sustained weight loss among patients.

16 Feb 2006

Low-carb diets effective, but may raise cholesterol levels

A synthesis of data from five previous clinical trials suggests that both low-fat and low-carbohydrate diets appear to be effective for weight loss up to one year, but low-carbohydrate diets may be linked to higher overall and LDL or "bad" cholesterol levels, according to a study in the Archives of Internal Medicine.

14 Feb 2006

Stem cell injections may help those with severe peripheral artery disease

Indiana University School of Medicine scientists have begun a unique clinical trial using stem cell injections as a treatment that could offer hope to tens of thousands of people who face sores, ulcers and even amputations due to severe peripheral artery disease.

14 Feb 2006

Statins show beneficial effect on rheumatoid arthritis

Statins, a class of drugs widely used to treat high cholesterol, have also recently been studied for their potential role in inflammation and other cell processes, including immune response.

13 Feb 2006

Minimally invasive surgery okay for problems of the upper part of the aorta

Tens of thousands of Americans live with a ticking time bomb in their chests. Now, a new University of Michigan study demonstrates that many of them may not need surgery in order to defuse it.

12 Feb 2006

First solid data on health effects of a low-fat diet

Adopting a low-fat diet in later life and following such a regimen for nearly a decade does not appear to have a significant impact on reducing the overall risk of breast cancer, colorectal cancer or heart disease, according to a Women's Health Initiative study that involved nearly 50,000 postmenopausal women across the United States.

9 Feb 2006

Older women who simply reduce the amount of total fat in their diet won't generally lower cancer risk

Older women who simply reduce the amount of total fat in their diet won't generally lower their risk of breast or colorectal cancer or heart disease, according to the latest findings from the federally funded Women's Health Initiative.

9 Feb 2006

French may be headed for similar obesity and heart problems as U.S.

Just 2 pounds of weight gain can greatly increase a person's risk for the metabolic syndrome, a dangerous condition that can lead to type 2 diabetes and coronary heart disease, finds a Kaiser Permanente study.

7 Feb 2006

Chromium helps muscles become more efficient

Researchers found that daily use of chromium picolinate enhanced muscle sensitivity to insulin in obese, insulin-resistant rats

7 Feb 2006

High blood pressure and kidney disease increase risk for heart disease and stroke in older Americans

Older Americans with high blood pressure and moderate to severe chronic kidney disease have a greater chance of developing heart disease than people with normal kidney function. This finding is one of three in a new paper published in the Feb. 7 issue of the Annals of Internal Medicine.

7 Feb 2006

Many at-risk people aren't getting adequate cholesterol treatment

Even though treatment for cholesterol disorders can reduce the risk of heart and blood vessel disease by about 30 percent over five years, many at-risk people aren't getting adequate treatment, according to researchers from Wake Forest University School of Medicine and colleagues reporting in Circulation: Journal of the American Heart Association.

7 Feb 2006