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Exercise-induced shortness of breath not always caused by asthma

Asthma is the most common cause of exercise-induced shortness of breath in children and adolescents. While a diagnosis of asthma is often correct, University of Iowa pediatric pulmonary physicians caution that other unrelated conditions also can cause shortness of breath during exercise.

3 Apr 2005

Study looks at infants and chronic nighttime crying

Two University of Maine researchers working in conjunction with colleagues in Japan have found links between infant and child sleeping arrangements and the phenomenon of "yonaki," or nighttime crying.

3 Apr 2005

Breakthrough in the understanding of the spread of cholera

Cholera is an acute intestinal infection caused by the bacterium Vibrio cholera and is spread by contaminated water and food. Scientists from the University of Haifa and Technion, the Israel Institute of Technology in Haifa, Israel, have reported in Environmental Microbiology, an important breakthrough in our understanding of the continental and intercontinental distribution of cholera.

3 Apr 2005

Potential therapeutic role for the ataxin-3 protein for Machado-Joseph disease

The repetition of three little "letters" within the gene that codes for the ataxin-3 protein is both the cause of and perhaps a solution to Machado-Joseph disease and an entire family of similar genetic disorders, according to researchers at the University of Pennsylvania.

3 Apr 2005

Hormonal treatment improves survival in high-risk prostate cancer patients

Administering hormonal treatment in addition to radiation therapy in patients with high-risk prostate cancer can improve survival rate, according to a new study published in the April 1, 2005, issue of the International Journal of Radiation Oncology-Biology-Physics, the official journal of ASTRO, the American Society for Therapeutic Radiology and Oncology.

3 Apr 2005

Chronic pain treatments more effective when taken together

People suffering from chronic, debilitating pain caused by nerve damage or disease report better pain relief at lower doses of a combined drug treatment than from either drug administered individually, a new Queen’s study funded by the Canadian Institutes of Health Research (CIHR) shows.

3 Apr 2005

Patch therapy provides similar pain relief as oral medications for patients with osteoarthritis (OA) knee pain

Researchers from the Altoona Arthritis and Osteoporosis Center have announced that data presented at the 24th Annual Scientific Meeting of the American Pain Society suggest that patch therapy provides similar pain relief as oral medications for patients with osteoarthritis (OA) knee pain.

3 Apr 2005

Researchers show role of Epstein-Barr virus in cancer

Researchers at the University of Toronto have mapped the molecular details that show how a viral protein coded in the Epstein-Barr virus immortalizes cells and causes them to continuously grow, thereby predisposing people to certain types of cancer.

3 Apr 2005

Cannabis-based medicines given in a highly-controlled clinical environment unexpectedly lead to strong psychotic effects

Volunteers taking cannabis-based therapeutic drugs as part of a controlled trial, which had been approved by an ethics board as safe for the subjects, experienced psychotic effects just as strong as if they had smoked cannabis. These findings, highly unexpected in such a controlled environment, are published today in the peer-reviewed, Open Access journal BMC Psychiatry.

3 Apr 2005

Scientists identify novel regulator of telomere homeostasis

Each of our 46 chromosomes is capped by a telomere – a long stretch of repeated DNA (TTAGG). Telomeres play a key protective function in our cells, and now Dr. In Kwon Chung and colleagues at Yonsei University (Seoul, Korea) and the University of Central Florida reveal a novel mechanism to modulate telomere length.

3 Apr 2005

Location on chromosome 2 that may contain one or more genes that contribute to dyslexia

Researchers trying to tease out the genetic basis of dyslexia have discovered a location on chromosome 2 that may contain one or more genes that contribute to the reading disorder and make it difficult for people to rapidly pronounce pseudowords.

3 Apr 2005

Implantable medical device that lowers blood pressure

Doctors at the University of Rochester Medical Center are the first in the nation to implant an investigational medical device that lowers blood pressure by activating the body's natural blood pressure regulation systems.

3 Apr 2005

New methods for training eyes to pinpoint

A new study suggests there may be a better way to sharpen the eyes of radiologists, military pilots and other professionals for whom identifying objects or patterns in a monitor or visual display – often quickly and with pinpoint accuracy – is a critical part of the job.

3 Apr 2005

Novel strategy to create a genetic vaccine against P. aeruginosa

Pseudomonas aeruginosa is a bacterium that can cause respiratory tract infections, which can be life threatening in patients who have cystic fibrosis. It is therefore important to develop a vaccine against this pathogen.

3 Apr 2005

Radiation for prostate cancer doubles the risk of developing rectal cancer

Men who undergo radiation for prostate cancer have nearly double the risk of developing rectal cancer when compared to men who opt to have surgery to treat prostate cancer, according to a study published today in the American Gastroenterological Association (AGA) journal Gastroenterology.

3 Apr 2005

Blood pressure control suggests new approach to hypertension therapy

The kidneys have long been known to play a major role in many cases of high blood pressure, but a new study by researchers at Duke University Medical Center reveals that the body's control of blood pressure depends as much on other organs in the body.

3 Apr 2005

Exposure to organochlorine compounds increases the risk of suffering colorectal cancer

A team of researchers at the Universitat Autònoma de Barcelona, The Catalan Institute of Oncology and the Higher Council for Scientific Research (CSIC) have published a study indicating that exposure to organochlorine compounds, which we ingest in our diets, increases the risk of suffering colorectal cancer.

3 Apr 2005

New miniature sensors for analysing DNA

The sensors have the same size and thickness as a fingernail and reduce the time needed to identify DNA chains to several minutes or a few hours, depending on each chain.

3 Apr 2005

Dozens of new genes identified in X chromosome

By intensely and systematically comparing the human X chromosome to genetic information from chimpanzees, rats and mice, a team of scientists from the United States and India has uncovered dozens of new genes, many of which are located in regions of the chromosome already tied to disease.

3 Apr 2005

cT3 prostate cancer is operable

New findings from Mayo Clinic indicate that cT3 prostate cancer, a disease in which the cancer has spread locally from inside the prostate to immediately outside it, is operable and has 15-year cancer survival rates of almost 80 percent.

3 Apr 2005