Brightsurf Science News & Current Events

June 18, 2002
Tomato packs more cancer-fighting punch
Forget the attack of the killer tomato, this is the attack of the healthy tomato: A team of scientists has developed a tomato that contains as much as three and a half time more of the cancer-fighting antioxidant lycopene.

Fungi help some trees weather acid rain, not all
Although some acid rain-battered trees get needed calcium via fungi on their roots, forests are still endangered by other effects of acid rain, ecologists say.

Botox proving successful at preventing headaches
Small amounts of the most deadly toxin known to man are proving effective at preventing debilitating headaches.

'Sloppy genes' behave like their neighbours
Groundbreaking research in Journal of Biology challenges the traditional view of how genes are controlled.

Cranberry may offer protection against antibiotic-resistant bacteria that cause UTIs
Findings published in a research letter to the editor in the June 19, 2002 issue of The Journal of the American Medical Association (JAMA) indicate scientists have discovered that regular consumption of cranberry juice cocktail may offer protection against certain antibiotic resistant bacteria that cause urinary tract infections (UTIs).

Largest study of Hmong shamanism prompts new patient care guidelines
Hmong cultural attitudes and behaviors influence how, why and with whom Hmong Americans access health care in Minnesota.

Ecological risks of GMOs come in unexpected ways, model shows
Introducing genetically modified organisms into wild populations holds a greater theoretical risk of extinction of natural species than previously believed, according to two Purdue University scientists.

University of Pittsburgh research shows combined PET/CT finds cancerous lesions standard CT misses
If more doctors had access to a combined PET/CT scanner to examine patients with ovarian or cervical carcinomas, they would likely catch cancerous lesions that would not be found by CT (computed tomography) or ultrasound, according to research presented today by doctors from the University of Pittsburgh School of Medicine.

Dartmouth/VA researchers examine news coverage of breast cancer prevention
Dartmouth researchers report how major US media covered the potential benefits and harms of two breast cancer preventive strategies and, in doing so, raise questions about how well the press covers medical issues in The Journal of the American Medical Association (JAMA), June 19.

New model to help engineers improve heat-resistant coatings
Purdue University researchers have developed a new computer model that will help engineers design better

Genetic manifestation of melanoma linked to geographic location
Geographic location appears to influence the probability of whether a person carrying a specific genetic mutation will develop melanoma, suggests new research published in the June 19 issue of the Journal of the National Cancer Institute.

U.S. cancer mortality rates reflect changing socioeconomic patterns
Two new studies reveal a reversal of cancer mortality rates among men in high and low socioeconomic groups in the last half century.

Mount Carmel is first health system in Ohio to install Bridge Medical patient safety software
Ohio's first healthcare organization to contract for patient safety technology from Bridge Medical, Mount Carmel--a three-hospital health system based in Columbus--will implement Bridge's MedPoint™ and InfoPoint™ software systems later this summer.

New study sheds light on frog malformations
The appearance of strange deformities in amphibian populations across the globe has been blamed on various culprits -- from chemicals to parasites.

New data shows weight loss with Xenical® provides benefits for type 2 diabetes patients
The prescription weight-loss medication Xenical® (orlistat) is effective in helping to control blood glucose and reducing insulin resistance in patients with type 2 diabetes, according to three studies being presented today at the American Diabetes Association (ADA) meeting in San Francisco1,2,3.

New study finds vasectomy does not increase prostate cancer risk
Contrary to some earlier studies, a new study funded in part by the National Institute of Child Health and Human Development (NICHD) found that men who undergo vasectomies are no more likely to develop prostate cancer than are men who do not.

Xenical® improves glycaemic control in those poorly controlled on anti-diabetic medication
Treatment with the prescription weight-loss medication Xenical® (orlistat) provides additional glycaemic control benefits in overweight or obese patients with type 2 diabetes taking maximal or near-maximal doses of anti-diabetic medications, according to new data presented at the American Diabetes Association (ADA) in San Francisco1.

Illegal job discrimination persists in the U.S. workplace as affirmative action weakens
In recent years, political and legal debates have focused on whether reverse discrimination favoring African Americans is justified.

Data reveals Lilly's PKC ß inhibitor improved symptomatic diabetic peripheral neuropathy
Lilly's (NYSE: LLY) investigational protein kinase C * (PKC *) Inhibitor - also known as LY333531 - improved symptoms, vibratory sensation and other measures of diabetic peripheral neuropathy in Phase 2 trial results presented today during the 62nd Scientific Sessions of the American Diabetes Association (ADA).

Chemists make first boron nanowhiskers
They're cute little shavers, and they could play a key role in the

Tips from the Journals of the American Society for Microbiology: June 2002
Issue highlights include the following: Gene protects baker's yeast from freeze damage, measuring meat contamination using infrared light, and oral vaccine boosts effectiveness of tuberculosis vaccine.

Molecular 'stop signs' may hold secret of nerve regeneration
Using brain cells from rats, scientists at The Johns Hopkins University School of Medicine and the University of Hamburg have manipulated a molecular

Breast cancer mortality may be tied to prolonged exposure to low dose radiation
New research suggests that women who worked as radiation technologists before 1950 have a higher risk of dying from breast cancer than those who began working in more recent years.

Drugs may not be best weapon against teen migraines, study finds
A new study of migraine headaches suggests behavioral therapy ?

NASA satellite confirms urban heat islands increase rainfall around cities
NASA researchers have for the first time used a rainfall-measuring satellite to confirm that

Other highlights in the June 19 issue of JNCI
Other highlights of the June 19 issue of JNCI include a study suggesting that genetic variations in enzymes may affect patient survival, a study suggesting that a gene in human herpesvirus may be involved in malignant transformation, and a review of the evidence supporting the use of microvessel density as a prognostic indicator as it relates to antiangiogenic therapy.

Early statin use refined
While a class of cholesterol-lowering drugs known as statins are effective in reducing the chances of a second heart event for patients with coronary artery disease, a new analysis shows that only patients whose cholesterol levels are above the recommended guidelines are likely to benefit from receiving these drugs earlier than usual.
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