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Psychological depression contributes to worse medical outcomes for patients with heart failure

Heart failure, also known as congestive heart failure, is marked by the inability of the heart muscle to pump enough oxygen and nutrients in the blood to the body's tissues.

27 Feb 2007

High blood glucose levels may signal an increased risk for cancer in women

The March journal also includes a study that found a link between high levels of persistent organic pollutants (POPs) in a person's bloodstream and insulin resistance, a precursor for type 2 diabetes.

27 Feb 2007

Breath test detects lung cancer

Scientists in the United States have come up with a breath test which can detect lung cancer in patients even when it is in the early stages of the disease.

26 Feb 2007

Alternative, diet-based method of treating brain cancer

The biologists found that KetoCal, a commercially available high-fat, low-carbohydrate diet designed to treat epilepsy in children, can significantly decrease the growth of brain tumors in laboratory mice.

22 Feb 2007

Expert questions validity of genetic testing patents

Molecular Pathologist-Attorney Roger D. Klein in a letter published in the February 15, 2007 issue of the New England Journal of Medicine questioned the validity of patents often used to prevent clinical laboratories from performing certain genetic tests.

20 Feb 2007

Nanoparticles advance photodynamic therapy to kill tumor cells

Photodynamic therapy (PDT) is a powerful approach for destroying tumors, one that uses light and a light-sensitive chemical to rapidly kill cells.

20 Feb 2007

All types of carbon nanotubes penetrate wide variety of cell membranes

Over the past two years, researchers have demonstrated repeatedly that certain types of carbon nanotubes are among the most effective materials known for transporting proteins, genes, and drug molecules across the cell membrane.

20 Feb 2007

Scientists label cells with magnetic nanoparticles

Investigators at the German Cancer Research Center have developed silica-coated iron oxide nanoparticles that allow for cell tracking in a live animal using magnetic resonance imaging (MRI).

20 Feb 2007

Injections with "dermal fillers" containing hyaluronic acid may partially restore sun-damaged skin

Injectable skin fillers have become increasingly popular for correcting the lines and wrinkles associated with aging, as well as acne scars and other skin conditions, according to background information in the article.

20 Feb 2007

Plant-based omega-3 polyunsaturated fatty acids may have a protective effect on bone health

Normally, most of the omega-3 fatty acids in the diet are plant-derived and come mainly from soybean and canola oil. Other sources are flaxseed, flaxseed oil, walnuts and walnut oil.

19 Feb 2007

Everyday plastics and pesticides may influence obesity

Obesity is generally discussed in terms of caloric intake (how much a person eats) and energy output (how much a person exercises).

18 Feb 2007

Breath test to detect lung cancer

A new breath test has been reported to detect lung cancer in its early stage. Lung cancer is the leading cause of cancer death in the United States, and doctors believe that early detection could offer sufferers their best chance for early survival.

18 Feb 2007

Watercress shows anti-cancer potential

Eating watercress daily can significantly reduce DNA damage to blood cells, which is considered to be an important trigger in the development of cancer, University of Ulster scientists revealed.

18 Feb 2007

FDA approves absorbable polymer suture that uses DNA technology

The U.S. Food and Drug Administration (FDA) has announced it has cleared for marketing in the U.S. the TephaFLEX Absorbable Suture - the first absorbable polymer suture made from material isolated from bacteria modified by recombinant DNA technology.

12 Feb 2007

Natural molecules to create pseudo-cell factories

Carnegie Mellon University's Philip LeDuc predicts the use of artificially created cells could be a potential new therapeutic approach for treating diseases in an ever-changing world.

7 Feb 2007

Three-dimensional fabric "scaffold" to repair cartilage damage

Using a unique weaving machine of their design, Duke University Medical Center researchers have created a three-dimensional fabric "scaffold" that could greatly improve the ability of physicians to repair damaged joints with the patient's own stem cells.

7 Feb 2007