Medical News

RSS

Gene silencing and microRNA discovery

One of the body's primary strategies for regulating its genome is a kind of targeted gene silencing orchestrated by small molecules called microRNAs, or miRNAs.

7 Nov 2005

Tryptophan metabolites play an important role in the immune system

Tryptophan is the source of Thanksgiving legend and grist for a "Seinfeld" episode, but it's not the chemical that you'd expect to find in Lawrence Steinman's lab.

7 Nov 2005

Smokeless tobacco products are not necessarily a safe alternative to smoking

According to the U.S. Centers for Disease Control and Prevention, nearly one-fourth of Americans are smokers. That's more than 60 million people who are at increased for lung cancer, the leading cause of cancer-related deaths nationwide.

3 Nov 2005

Young hockey player injuries studied - suprising findings

Unintentional collisions and falling into the boards cause more injuries in young hockey players than the practice of body checking, researchers at the University at Buffalo have found.

3 Nov 2005

Expert highlights public health problem posed by colorectal cancer

Colorectal cancer is a significant public health problem for which differing treatment regimes hold different benefits in associated efficacy, safety and tolerability, according to study findings showcased at the 13th European Cancer Conference (ECCO).

3 Nov 2005

Exercise is good for multiple sclerosis, but it must be done correctly

Aerobic exercise is thought to help persons with multiple sclerosis fight fatigue, the most common symptom of the disease. Yet MS also appears to cause the body to heat up more quickly, compromising the ability to exercise.

3 Nov 2005

Largest study to date on risk factors associated with primary biliary cirrhosis

A case-control study of more than 2000 people has identified a number of factors that may induce primary biliary cirrhosis (PBC) in genetically susceptible individuals. These include a history of urinary tract infections, hormone replacement therapy, tobacco use, and nail polish use.

3 Nov 2005

MRI measurements of scar tissue accurately predict the risk of arrhythmia-related sudden death

Using magnetic resonance imaging (MRI) scans of the heart wall, researchers at Johns Hopkins have found that people whose muscle wall thickness contained more than 25 percent scar tissue were approximately nine times more likely to test positive for a fast and dangerous heart rhythm known as ventricular arrhythmia.

3 Nov 2005

Clinicans warned about randomized clinical trials

A review article in the November 2 issue of JAMA: The Journal of the American Medical Association, suggests clinicians ought to view with skepticism the results of randomized clinical trials stopped early because of apparent benefit.

3 Nov 2005

Diabetic black men have lower amounts of atherosclerosis than diabetic white men

In a surprising outcome, investigators at Wake Forest University Baptist Medical Center found that diabetic black men have dramatically lower amounts of atherosclerosis, or hardening of the arteries, than diabetic white men.

3 Nov 2005

Ospemifine may also help to prevent breast cancer

A tamoxifen-like drug developed by UC Davis and Finnish researchers, now in clinical testing as a treatment for vaginal atrophy, may also help to prevent breast cancer, two preliminary studies suggest.

3 Nov 2005

Issues faced by cancer patients - assessement - impact - implications

New study findings showcased at the 13th European Cancer Conference (ECCO) have shed further light on the manifold factors which must be considered when managing patients with cancer. Studies from around Europe looked at a number of the issues faced by cancer patients and assessed their impact and associated implications.

3 Nov 2005

Teenages who eat regularly with their family less likely to be overweight

They might prefer to be in front of the TV or Playstation, but Brisbane teenagers are likely to be healthier if they eat meals with mum and dad.

3 Nov 2005

Testicular cancer survivors can still have children

The overall rate of fatherhood after treatment for testicular cancer is high, but the ability to conceive and the time to conception are influenced by the type and intensity of treatment, according to a new study in the November 2 issue of the Journal of the National Cancer Institute.

3 Nov 2005

Accumulation of fat in the liver linked to hypertension

The accumulation of fat in the liver, or "fatty liver," resulting from accumulation of central body fat, and perhaps not alcohol consumption, may represent an important underlying mechanism for the association between liver enzymes and hypertension.

3 Nov 2005

Vaccine that targets nicotine rather than the brain's reaction to it

Since smoking became popular in America in the 1930s, lung cancer rates have continued to climb. Today, it is still the leading cause of cancer-related deaths, with totals more than the other five leading cancers combined.

3 Nov 2005

Stem cells appear to play a role in repairing organs

Not least because undifferentiated cells with features typical of stem cells are being increasingly found in organs like the liver, brain, and muscles, scientists are beginning to assume that these cells play a role in repairing organs.

3 Nov 2005

Capecitabine and Gemcitabine help battle pancreatic cancer

The prognosis of pancreatic cancer is poor but new therapies such as gemcitabine have contributed to improving the outcome for patients. Data presented at the 13th European Conference (ECCO) revealed that using the combination of gemcitabine and capecitabine increased overall survival in some patients.

3 Nov 2005

Harmless bacteria may provide natural protection against deadly MRSA

Can it be that the stress on the use of antiseptics and antibiotics in hospitals is actually putting patients at a greater risk of suffering fatal bacterial infection?

3 Nov 2005

Socioeconomic status determines life expectancy in HIV patients

HIV patients with a low socioeconomic status are likelier to die much more often than patients with higher levels of wealth and education, a new UCLA study has found.

3 Nov 2005