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Health improves for previously uninsured adults after receiving Medicare coverage

Previously uninsured adults who received Medicare coverage reported improvements in health, especially those with cardiovascular disease or diabetes, according to a study in the December 26 issue of JAMA: The Journal of the American Medical Association.

28 Dec 2007

Health coverage improves health and reduces major heart complications

As presidential candidates ramp up their primary campaigns, health care reform looms prominently among voters' main concerns.

28 Dec 2007

New information about how normal cells and cancer cells survive under stress

Scientists report that an evolutionarily conserved transcription factor may have both positive and negative effects on the growth of tumors, depending on whether or not the tumor cells have enough oxygen.

28 Dec 2007

New immune system discovery will help fight hay fever and other allergies

A mechanism which can lead to hay fever and other allergic reactions, by preventing the immune system from regulating itself properly, has been discovered by scientists.

28 Dec 2007

Fibrosis in the liver stopped and reversed by researchers

University of California, San Diego researchers have proven in animal studies that fibrosis in the liver can be not only stopped, but reversed.

28 Dec 2007

FDA approves Voluven for blood loss post surgery

The U.S. Food and Drug Administration has approved Voluven, an intravenous solution that prevents and treats a dangerous loss of blood volume, a condition that sometimes occurs during and after surgery.

28 Dec 2007

Copy number variation may stem from replication misstep

Genome rearrangements, resulting in variations in the numbers of copies of genes, occur when the cellular process that copies DNA during cell division stalls and then switches to a different genetic "template," said researchers at Baylor College of Medicine in Houston in a report that appears today in the journal Cell.

28 Dec 2007

Cone-beam breast CT compared to conventional mammography

Cone-beam breast CT provides exceptional tissue contrast and can potentially reduce examination time with comparable radiation dose to conventional 2D mammography, according to a new study by a team of researchers from the University of Texas M. D. Anderson Cancer Center in Houston.

28 Dec 2007

Variant of COMT gene linked to impulsive decisions

People with clinical addictions know first-hand the ravages the disease can take on almost every aspect of their lives.

28 Dec 2007

Cell-death receptor links cancer susceptibility and inflammation

For over 10 years, Wafik S. El-Deiry, MD, PhD, Professor of Medicine, Genetics, and Pharmacology at the University of Pennsylvania School of Medicine, has been pursuing a cancer-targeting molecule called TRAIL and its molecular partners.

28 Dec 2007

Chemotherapy and tamoxifen reduce risk of second breast cancer

Among breast cancer patients, both chemotherapy and tamoxifen independently reduced the risk of developing a second cancer in the other breast, according to a study published online December 25 in the Journal of the National Cancer Institute.

28 Dec 2007

Cardiac stem cell therapy research

Since the year 2000, much has been learned about the potential for using transplanted cells in therapeutic efforts to treat varieties of cardiac disorders.

28 Dec 2007

Brief intervention helps emergency patients reduce drinking

Asking emergency department patients about their alcohol use and talking with them about how to reduce harmful drinking patterns is an effective way to lower rates of risky drinking in these patients, according to a nationwide collaborative study supported by the National Institute on Alcohol Abuse and Alcoholism (NIAAA) and the Substance Abuse and Mental Health Services Administration (SAMHSA).

28 Dec 2007

Breast cancer gene mutation more common in Hispanic, young black women

A genetic mutation already known to be more common in Ashkenazi Jewish breast cancer patients is also prevalent in Hispanic and young African-American women with breast cancer, according to one of the largest, multiracial studies of the mutation to date.

28 Dec 2007

Brain imaging shows there may be a cognitive difference in people with addictions

Scientists have for the first time identified brain sites that fire up more when people make impulsive decisions.

28 Dec 2007

Bevacizumab found to improve survival for patients with advanced breast cancer

Inhibiting the growth of blood vessels that supply tumors slows the progression of metastatic breast cancer according to results of a large clinical trial of Avastin, an anti-angiogenic therapy.

28 Dec 2007

Scientists identifiy elusive telomere RNA subunit in single cell model

The Stowers Institute's Baumann Lab has identified the long-sought telomerase RNA gene in a single-cell research model.

28 Dec 2007

Anthracyclines improve survival in HER2-positive breast cancer patients

Treatment with the class of chemotherapy drugs called anthracyclines improves survival in women with HER2-positive breast cancer who have previously had surgery, but it may not offer any benefit for women with HER2-negative tumors, according to a study published online December 25 in the Journal of the National Cancer Institute.

28 Dec 2007

The smell of sound - researchers look at phenomenon synaesthesia

The research field has grown from grapheme-colour synaesthesia to include other forms of synaesthesia in which flavours are evoked by music or words (lexical-gustatory synaesthesia), space structures by time units, colours by music, etc.

28 Dec 2007

Cancer stem cells may be at the root of brain tumors

Stem cells -- popularly known as a source of biological rejuvenation -- may play harmful roles in the body, specifically in the growth and spread of cancer. Amongst the wildly dividing cells of a tumor, scientists have located cancer stem cells.

27 Dec 2007