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Depression in older men linked to low testosterone

Australian researchers are suggesting that older men who have lower levels of the male sex hormone testosterone in their blood, may be more prone to depression.

4 Mar 2008

Utopia gets it right when it comes to indigenous health

A new study by Australian researchers into the health of an indigenous community has produced some interesting results.

4 Mar 2008

New nanotube findings give boost to potential biomedical applications

Carbon nanotubes have shown real promise as highly accurate vehicles for delivering antitumor agents into malignant cells, but a dearth of data about what happens to the tubes after they discharge their medical payloads has been a major stumbling block to progress.

3 Mar 2008

Nanotechnology advances brain cancer detection and therapy

Brain cancer is one of the most aggressive and lethal of malignancies, made even more difficult to treat by the fact that most anticancer drugs have a hard time even getting to the tumors.

3 Mar 2008

Preclinical antitumor efficacy evaluation of dendrimer-based methotrexate conjugates

Although a variety of nanoparticles continue to show promise for improving cancer imaging and therapy, regulators and drug developers are concerned that these delivery systems may prove difficult to manufacture on a consistent basis, which is key for any agent designed for use in humans.

3 Mar 2008

Fluorescent nanoparticles image tumor marker in animals

Since 2004 the U.S. Food and Drug Administration has approved three new-generation anticancer therapies that target epidermal growth factor receptor (EGFR), a protein that is greatly overexpressed on certain types of tumors, including some forms of colorectal and lung cancer.

3 Mar 2008

Gold nanoparticle-based colorimetric assay for the direct detection of cancerous cells

Early detection of tumors is one of the Holy Grails of cancer research, an achievement that would greatly improve cancer therapy and prognosis. Two new reports describe different but promising approaches to solving this problem.

3 Mar 2008

Stimulant treatment for ADHD has no effect on risk of future substance abuse

A new study finds that the use of stimulant drugs to treat children with ADHD has no effect on their future risk of substance abuse.

3 Mar 2008

New genetic risk factor for coeliac disease

Scientists who last year identified a new genetic risk factor for coeliac disease, have, following continued research, discovered an additional seven gene regions implicated in causing the condition.

3 Mar 2008

Short RNA strand helps exposed skin cells protect body from bacteria, dehydration and even cancer

Every minute, 30,000 of our outermost skin cells die so that we can live.

3 Mar 2008

New way to develop tumor vaccines

Researchers at the University of Southern California (USC) have uncovered a new way to develop more effective tumor vaccines by turning off the suppression function of regulatory T cells.

3 Mar 2008

Kidney stones in men

Kidney stones are very common - and painful - in men. About 3 in 20 men (1 in 20 women) in developed countries develop them at some stage.

3 Mar 2008

Novel mechanism found that may boost impaired function of leukemia protein

A new study led by researchers at Memorial Sloan-Kettering Cancer Center (MSKCC) reports on a novel mechanism that can enhance the function of a protein that is frequently impaired in patients with acute forms of leukemia.

3 Mar 2008

High prevalence of eating disorders in narcoleptics

The majority of patients with narcolepsy/cataplexy experience a number of symptoms of eating disorders, with an irresistible craving for food and binge eating as the most prominent features, according to a study published in the March 1 issue of the journal SLEEP.

3 Mar 2008

National Institute for Health and Clinical Excellence (NICE) releases appraisal consultation document on treatment of pulmonary arterial hypertension in adults

The National Institute for Clinical Excellence (NICE) has published on its website the preliminary recommendations of its Appraisal Committee on the use of epoprostenol, iloprost, bosentan, sitaxentan and sildenafil for the treatment of pulmonary hypertension in adults.

3 Mar 2008

Mouse model tightly matches pediatric tumor syndrome, will speed drug hunt

Frustrated by the slow pace of new drug development for a condition that causes pediatric brain tumors, a neurologist at Washington University School of Medicine in St. Louis decided to try to fine-tune the animal models used to test new drugs.

3 Mar 2008

1 in 3 women has pelvic floor disorder

A new study by Kaiser Permanente found that one-third of women suffer from one or more pelvic floor disorders, which include symptoms such as the frequent urge to urinate, dropped pelvic organs, and incontinence.

3 Mar 2008

Snoring linked to cardiovascular disease, increased health-care utilization

Loud snoring with breathing pauses is associated with an increased risk of cardiovascular disease and increased health care utilization, according to a study published in the March 1 issue of the journal SLEEP.

3 Mar 2008

Treatment with methylphenidate helps adults with ADHD sleep

Treatment with methylphenidate (MPH) appears to have beneficial effects on sleep parameters in adults with ADHD, including increased sleep efficiency and a feeling of improved restorative value of sleep, according to a study published in the March 1 issue of the journal SLEEP.

3 Mar 2008