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Molecules that give certain bugs their color also help them resist attack by immune cells called neutrophils

A new study in the July 18 issue of The Journal of Experimental Medicine shows that gold-colored bacteria are more harmful than their unpigmented relatives.

11 Jul 2005

Research explains one of the fundamental mysteries of multiple sclerosis

Scientists have pinpointed a chemical messenger that frees some white blood cells from the body's normal constraints, allowing the cells to act like renegades that could damage nerves in the central nervous system. The work, to be published in the July 15 issue of the Journal of Immunology and just published on-line, helps explain one of the fundamental mysteries of multiple sclerosis (MS).

11 Jul 2005

Identical twins lose some fundamental similarities as they grow older

...a new study reports. They may start to look and act less alike. The changes could leave one twin susceptible to diseases like cancer, while the other twin remains healthy.

11 Jul 2005

Genes play an overriding role in cholesterol response

Why does it seem like some people can eat all the ice cream they want without increasing their cholesterol or gaining much weight, while others with high cholesterol have to watch their diets like a hawk? Because no matter what their lifestyle, people's genes play an overriding role in their cholesterol response.

11 Jul 2005

PSA screening of asymptomatic men reduced risk of metastatic prostate cancer by 35 per cent

Early screening of prostate cancer in asymptomatic men may reduce their risk of death from metastatic prostate cancer by as much as 35 per cent, researchers from the University of Toronto have found.

11 Jul 2005

New roles for granulocyte colony-stimulating factor (G-CSF) in treating stroke

In a study appearing online on July 7 in advance of print publication of the August 1 issue of the Journal of Clinical Investigation, Armin Schneider and colleagues from Axaron Biosciences describe new roles for granulocyte colony-stimulating factor (G-CSF) in treating stroke and other central nervous system roles of this protein.

11 Jul 2005

Scientists discover how an HIV protein fragment shuts down an immune response

The HIV virus hides out in the very immune system cells that are meant to protect the body from viral infection. But how does it prevent these cells from mounting a full-scale attack against the invader?

11 Jul 2005

New approach to preventing or reversing heart failure

Duke University Medical Center researchers have identified a new protein that plays a critical role in enabling the heart to respond to such external stimuli as exercise or stress, as well as in the progressive loss of heart function that is heart failure, the researchers said.

11 Jul 2005

Meth abuse biggest drug problem in country USA

In a recent crime survey of 45 states and 500 county law enforcement agencies in the U.S., it has been found that as far as rural and small town America is concerned, methamphetamine has overtaken cocaine as the biggest drug problem.

11 Jul 2005

Northerners in the UK more prone to certain cancers

According to the office for National Statistics (ONS) ' "Cancer Atlases" for the 1990s, people in the north of England and Scotland are far more likely to get certain cancers than those living in the south.

11 Jul 2005

Anti-tobacco advertising reduces smoking

According to a recently released study, young people were found to reduce their cigarette smoking and had a more positive attitude to anti-smoking after they were exposed to state-sponsored anti-tobacco advertising.

11 Jul 2005

Prescription drug abuse in the USA exceeds 15 million

A recently released report by the National Center on Addiction and Substance Abuse at Columbia University suggests between 1992 and 2003, more Americans were abusing controlled prescription drugs than cocaine, hallucinogens, inhalants and heroin put together.

11 Jul 2005

Bacteria linked to oral cancer

A new study has found that the most common form of oral cancer, is linked to three different types of mouth bacteria.

11 Jul 2005

Vioxx safe enough for Canadian market says health panel

A canadian health advisory panel says that Merck's arthritis drug Vioxx should be allowed to go on sale again in the country, 10 months after the company withdrew the blockbuster painkiller over reports that it increased the risk of heart disease.

11 Jul 2005

True validity of prostate cancer tests questioned

According to the American cancer society, more than 232,000 men will be diagnosed with prostate cancer this year, and about 30,000 will die of it.

11 Jul 2005

Blood pressure enzyme linked to SARS virus, could help fight diseases that cause lung failure

Researchers in Austria say that an enzyme that regulates blood pressure is also involved in the SARS virus, and the discovery could lead to new ways of treating diseases that cause lung failure.

11 Jul 2005

Genes decide the shape you're in!

According to a study by researchers at the Lawrence Berkeley National Laboratory of identical twins, the reason why some people can eat all the chocolate and chips they want and not increase their cholesterol levels, is all down to their genes.

11 Jul 2005

Babies at greater risk of cot death when they sleep in parents bed

According to new research babies who sleep in their parents' bed are at increased risk of cot death even if their mother and father are non-smokers.

11 Jul 2005

Low dose birth control pill raises heart attack risk, especially in some women

A new review suggests that low-dose birth control pills, which are generally considered to be safer than the pill of the past, still carries an increased risk for heart attack and stroke.

11 Jul 2005

California's medical marijuana program put on hold

As a direct result of a Supreme Court ruling last month that said the U.S. government could prosecute medical marijuana use, California officials say they will stop issuing identification cards to state residents who smoke marijuana to treat medical conditions.

11 Jul 2005