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Blood cancers may be caused by inactivation of a "tumor suppressor" gene

The discovery of a gene, called PRDM1, as a tumor suppressor sheds new light on the cause - and possible treatment - of diffuse large B-cell lymphomas (DLBCLs), a cancer of the blood's B-lymphocytes. DLBCLs comprise about 30 percent of non-Hodgkin's lymphomas.

25 Apr 2006

Alternative anti-inflammatory drugs promise less cardiovascular problems

New type of anti-inflammatory drugs may reduce COX-2 cardiovascular problems, says Queen's researcher

25 Apr 2006

New method allows heart beat triggers to be viewed and better understood

Researchers have developed unique chemical dyes that have made it possible to see what the naked eye has never seen before: action potentials, or voltage changes, of cardiac cells - including those deep inside the heart, which trigger and determine the pace of heartbeats.

25 Apr 2006

Swedish ACI method of cartilage repair gives excellent durability

As the population ages, arthritis will become more prevalent. It would be helpful to know more about the causes and treatments of cartilage wear.

25 Apr 2006

Study shows drugs work differently in the brains of men and women

A Johns Hopkins discovery could lead to tailored treatments for drug abuse and neurological diseases after providing what is believed to be the first evidence in people that amphetamines have a greater effect on men's brains than women's.

24 Apr 2006

Direct link between childhood obesity and junk food advertising

A team of researchers from the Harvard School of Public health (HSPH) and the Children's Hospital in Boston have found that children who spend more time watching TV were more likely to eat more of the calorie-dense, low nutrient foods advertised on television.

24 Apr 2006

Poor health related to inadequate housing for immigrant farmworkers in the USA

Many Hispanic farmworker families in North Carolina live in inadequate housing that puts them at higher risk of exposure to disease, toxins and overcrowding that can affect their psychological well-being, according to new research by Wake Forest University School of Medicine.

23 Apr 2006

Bullying pushes overweight kids away from sport, increasing health problems

Most kids are bullied at some point in their lives, but overweight children are more often the targets of bullies' slings and arrows. Now a new UF study reveals this frequently leads them to avoid situations where they have been picked on before, such as gym class and sports.

23 Apr 2006

Penn researchers discover gene that creates "second skeleton" bone disorder

Researchers at the University of Pennsylvania School of Medicine have located the "skeleton key," a gene that, when damaged, causes the body's skeletal muscles and soft connective tissue to undergo a metamorphosis into bone, progressively locking joints in place and rendering movement impossible.

23 Apr 2006

Novel approach used to neutralize anthrax toxin

Researchers from Rensselaer Polytechnic Institute and the University of Toronto have designed a nanoscale assembly of molecules that successfully counteracts and inhibits anthrax toxin in animal and laboratory experiments.

23 Apr 2006

Study reveals findings on how insulin-producing beta cells grow and function

A new Joslin Diabetes Center-led study has shown conclusively that two receptors in the insulin-producing beta cell do not affect developmental growth, refuting a long-held hypothesis in diabetes research.

23 Apr 2006

A TAS1R receptor-based explanation of sweet water taste

A scientific paradox linking artificial sweeteners such as saccharin with a sensory experience in which plain water takes on a sweet taste has guided researchers to an increased understanding of how humans detect sweet taste.

23 Apr 2006

Protein discovery opens up new therapeutic possibilities for epilepsy and neurodegenerative diseases

UC Irvine researchers have found that a protein best known for building connections between nerve cells and muscle also plays a role in controlling brain cell activity.

23 Apr 2006

HRT can reduce heart attacks by about one-third in women under age 60

For the last few years, women have heard conflicting reports about the risks and benefits of hormone replacement therapy (HRT). A new study that analyzes many trials together concludes that HRT can reduce heart attacks by about one-third in women under age 60 but has mixed results for older women.

23 Apr 2006

No support for medical use of marijuana from the FDA

According to the Food and Drug Administration (FDA), in the U.S. there are no scientific grounds for the medical use of use of marijuana and the agency is highly critical of attempts by individual states to legalise it.

23 Apr 2006

No alarm on fluoride: cancer risk unproven

Suggestions that fluoridated water supplies may be linked to a rare form of bone cancer have not been scientifically established, Victoria's Chief Health Officer Dr Robert Hall said this week.

20 Apr 2006

Australia's medicines regulator close to decision on herceptin

Australia's medicines regulator, the Therapeutic Goods Administration (TGA) is considering a recommendation by its expert committee, the Australian Drug Evaluation Committee (ADEC), to conditionally approve an application by Roche Products Pty Limited to extend the registration of the breast cancer drug Herceptin (trastuzumab) for use in HER2 positive localised breast cancer in addition to chemotherapy.

20 Apr 2006

Corticosteroids do not improve survival in patients with late-stage acute respiratory distress syndrome

The study is the first multi-center randomized clinical trial to evaluate the effects of moderate doses of steroids in ARDS patients when treatment is started 7 days or more after the onset of the condition.

20 Apr 2006

Popular antidepressants may affect fetus

A team from the Ottawa Health Research Institute, the University of Ottawa, and The Ottawa Hospital has found an increased risk of premature delivery, low birth weight, fetal death, and infant seizures among pregnant women who used a popular class of antidepressants during pregnancy.

20 Apr 2006