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Human Y chromosome stays intact while chimp Y loses genes

The human and the chimpanzee Y chromosomes went their separate ways approximately 6 million years ago. But ever since this evolutionary parting, these two chromosomes have experienced different fates, new research indicates.

1 Sep 2005

Women may not be accurately reporting how many cigarettes they smoke daily during pregnancy

Studies that report lower smoking rates during pregnancy may be flawed by the social stigma attached to mothers-to-be who light up but don’t admit it, suggests a new analysis.

1 Sep 2005

Smokers are significantly less likely to seek dental care than nonsmokers

...according to data from a nationally representative sample of 15,250 American adults. The finding holds true regardless of age, gender, race, ethnicity, socioeconomic status, location and insurance coverage.

1 Sep 2005

Study of the 2003 outbreak of SARS reveals fears

A new study of the 2003 outbreak of SARS in Toronto shows how fears of a virulent contagious disease can affect health-care providers and reveals that some of those surveyed who experienced SARS-like symptoms during the outbreak still went to work.

1 Sep 2005

People with serious mental illness have higher rates of type 2 diabetes

...yet their knowledge of diabetes was generally poor and significantly lower than people without mental illness, according to a new study.

1 Sep 2005

MRSA risk doubled in critically ill patients with glucose in their airways

Critically ill patients with glucose in their airways seem to be at double the risk of picking up serious hospital acquired infections, including MRSA, suggests research in Thorax.

1 Sep 2005

Mutation in the BRAC2 breast cancer gene may also increase the risk of bone and throat cancers

A genetic mutation implicated in an increased risk of breast and ovarian cancers also significantly increases the risk of pancreatic and prostate cancers in men, finds research in the Journal of Medical Genetics.

1 Sep 2005

Compound called GRN163L blocks lung cancer

Researchers at UT Southwestern Medical Center have found a compound that shows promise as a way to block the spread, or metastasis, of lung cancer.

1 Sep 2005

More than 15 percent of our genes are mobilized to defend against microbial attacks

The body's overwhelming genetic defense, which has implications for the survival of patients who are severely burned or injured, was revealed in a sweeping analysis of gene activity in volunteers who were injected with a bacterial product that temporarily created flu-like symptoms.

1 Sep 2005

IP 751 a marijuana-derived drug effectively suppresses pain and bladder overactivity in hypersensitive bladder disorders

IP 751, a potent synthetic analog of a metabolite of THC-the principal active ingredient of marijuana-effectively suppresses pain and bladder overactivity in hypersensitive bladder disorders such as interstitial cystitis (IC), according to animal model study results presented today at the annual meeting of the International Continence Society.

1 Sep 2005

Pomegranate fruit extracts can block enzymes that contribute to osteoarthritis

The study looked at the ability of an extract of pomegranate fruit against Interleukin-1b (IL-1b), a pro-inflammatory protein molecule that plays a key role in cartilage degradation in osteoarthritis.

1 Sep 2005

Low doses of the active form of vitamin D and non-steroidal anti-inflammatory drugs form one-two punch against prostate cancer cells

Low doses of the active form of vitamin D and non-steroidal anti-inflammatory drugs, taken in combination, have been shown to act as a powerful one-two punch that knocks down the growth of prostate cancer cells.

1 Sep 2005

Study suggests cirrhosis and liver disease nearly inevitable for people with hep C

Nearly 80 percent of chronic hepatitis C sufferers who have the disease for several decades will develop cirrhosis or end-stage liver disease later in life, according to a study published today in the American Gastroenterological Association (AGA) journal Clinical Gastroenterology and Hepatology.

1 Sep 2005

When it comes to inflammation, too much of a good thing can be deadly

In some severely injured patients, this normal healing process can develop into a lethal, whole-body response, including bloodstream infection (sepsis) and multiple organ failure. How and why inflammation turns from healing to harming is still mysterious, so doctors can't accurately predict how each injured patient will fare.

31 Aug 2005

Therapeutic uses of psychedelic drugs are resurfacing

It was the drug of choice on university campuses, the drug that spawned psychedelic culture as well as countless jail sentences and fines, but LSD actually has respectable roots--roots that a McMaster University researcher is uncovering.

31 Aug 2005

Another use for Botox - enlarged prostate

Botox, appears to alter specific cellular processes that contribute to prostate enlargement according to new study results presented by researchers from the University of Pittsburgh and Chang Gung Memorial Hospital in Taiwan at the International Continence Society annual meeting in Montreal.

31 Aug 2005

BMA(NI) initial response to Appleby Report

"The BMA met with Professor Appleby as part of this independent review and early indications are that much of his report appears to be consistent with the evidence provided by the Association."

31 Aug 2005

First human trials start in Canada for muscle-derived stem cells as a treatment for urinary incontinence

Human muscle-derived cells, pluripotent stem cells found in muscle, have been used to cure stress urinary incontinence in animal models, a finding which signals that these cells are prime candidates to treat the condition in adults.

31 Aug 2005

Discovery of gene that may play a role in centronuclear myopathy

By studying the molecules that regulate the formation of muscle, researchers at UT Southwestern Medical Center have discovered a gene that may play a role in a rare muscular disease in humans.

31 Aug 2005

Study results counters the popular belief that nicotine exposure curbs appetite

A new study by Yale researchers shows that prior nicotine exposure in mice can increase their motivation to respond work for food, weeks after their last exposure to nicotine, a finding that runs counter to the popular belief that nicotine exposure curbs appetite.

31 Aug 2005