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2 million people carry drug-resistant bacteria in their noses

New research estimates that about 2 million people carry a strain of drug-resistant bacteria in their noses.

21 Dec 2005

65% of ovarian cancer cells sideline body's defences

Ovarian cancer tumour cells use two separate mechanisms to evade the body’s defensive reaction - and in so doing also elude a newly discovered counteraction from the surrounding tissue.

15 Dec 2005

Tea lowers ovarian cancer risk

Women who drank at least two cups of tea a day had a lower risk of ovarian cancer than those who did not drink tea, according to a study in the December 12/26 issue of Archives of Internal Medicine.

13 Dec 2005

Effects of mobile phones on attention

Seeking to bring clarity to the debate on mobile phone use, researchers from the University of Essex have published the results of an investigation into the effects of mobiles on attention.

7 Dec 2005

Low doses of aspirin increase chance of developing ulcers

Aspirin has long been hailed as one of the most effective, low-cost ways to help guard against a heart attack or stroke. However, international medical researchers caution that low doses of aspirin also increase a patient's chance of developing an ulcer, often without warning signs.

28 Nov 2005

Analysis of Fcg Receptor haplotypes in rheumatoid arthritis

People with a specific combination of variants of two genes, encoding two different receptors for the antibody Fc gamma, are three times more likely to develop rheumatoid arthritis than individuals with different variant combinations.

28 Nov 2005

Caring for our Children

A new Cincinnati Children's Hospital Medical Center study shows that parents, pediatricians and child care providers are equally unknowledgeable about guidelines that recommend whether children should be excluded from child care due to particular illnesses.

28 Nov 2005

Lowering of LDL level shows limited benefit for patients with previous heart attack

Patients who have had a heart attack and are treated with a high dose of a statin drug did not have significant reduction in the primary outcome of major cardiac events (coronary death, nonfatal acute heart attack, or cardiac arrest with resuscitation), but did appear to have reduced risk when certain secondary outcomes (composite end points of any coronary heart disease event) were examined, according to a study in the November 16 issue of JAMA.

26 Nov 2005

Methylphenidate may be effective in treating autism

Methylphenidate, a medication used to treat attention-deficit hyperactivity disorder (ADHD), may be effective in treating hyperactivity symptoms in children with autism and related pervasive developmental disorders, researchers report in the November Archives of General Psychiatry.

26 Nov 2005

Zinc supplements safe for chidren with HIV

Zinc-deficient children living in communities where they do not receive adequate amounts of zinc from their diet should be given supplements, even if they are HIV-infected, according to researchers from the Johns Hopkins Bloomberg School of Public Health and other institutions.

26 Nov 2005

Researchers identify genes affected by Methotrexate (MTX)

A Queen's University study of fruit flies that may revolutionize the way birth defects are studied has identified the genes affected by a widely-prescribed drug known to cause birth defects.

26 Nov 2005

Diets rich in meat increase the likelihood of developing chronic respiratory symptoms

A new study finds that eating mostly meat, refined starches, and sodium may increase the likelihood of developing chronic respiratory symptoms, including chronic obstructive pulmonary disease (COPD).

21 Nov 2005

Acoustics experts say medical sound pollution is widely recognized, rarely addressed

Announcements blare from overhead speakers. Electronic devices beep. Heating and cooling systems rumble. Employees and visitors speak loudly.

21 Nov 2005

Tamoxifen reduces the risk of invasive and noninvasive breast cancer

Data from additional years of follow-up of a large randomized placebo-controlled clinical trial of tamoxifen for the prevention of breast cancer confirm that the drug reduces the risk of invasive and noninvasive breast cancer, according to a report that appears in the current issue of the Journal of the National Cancer Institute.

21 Nov 2005

Warnings on popular asthma drug could damage drug giant

The U.S. Food and Drug Administration (FDA) is recommending new restrictions on the asthma drug Advair.

21 Nov 2005

Exercise and you'll live longer

According to a new report even moderate levels of physical exercise can prevent heart disease and prolong life, and the degree of benefit increases as the level of physical activity rises.

16 Nov 2005

Prevalence of major psychiatric disorders is as common in cancer patients

The prevalence of major psychiatric disorders is as common in cancer patients as they are in the general population, with the exception of panic disorder which had elevated rates compared to the general population (5 percent versus 1.7 percent, respectively).

14 Nov 2005

Antibiotics overprescribed for sore throat

Physicians prescribe antibiotics for more than half of children with sore throat, exceeding the expected prevalence of strep throat, and used nonrecommended antibiotics for 27 percent of children who received an antibiotic prescription, according to a study in the November 9 issue of JAMA: The Journal of the American Medical Association.

13 Nov 2005

Non-steroidal anti-inflammatory drugs may prevent the development of oesophageal adenocarcinoma in patients with Barrett's oesophagus

Barrett’s oesophagus is a metaplastic disorder that develops in about 10% of people with chronic gastro-oesophageal reflux disease. Every year about 0.5%-1% of patients with Barrett’s oesophagus develop oesophageal adenocarcinoma.

10 Nov 2005

Vitamin D sufficiency may be more important than high calcium intake for maintaining calcium metabolism

Calcium intake levels of more than 800 mg/day may be unnecessary for maintaining calcium metabolism if vitamin D status is adequate, according to a study in the November 9 issue of JAMA: The Journal of the American Medical Association.

10 Nov 2005