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Good bacteria helps ease symptoms of ulcerative colitis

New research suggests that consuming a mixture of eight good or "probiotic" bacteria reduces symptoms in patients with ulcerative colitis which doesn't respond to conventional medications.

31 Jul 2005

Researchers find that female circumcision could cause infertility

Swedish researchers, say the practice of female circumcision, which is practised in more than 30 countries and affects 2 million girls each year, could cause infertility.

31 Jul 2005

U.S. beaches getting dirtier and some are disappearing

The National Resources Defense Council (NRDC) has said this week that more and more U.S. beaches are being closed due to contamination, partly because there is more pollution and partly because of better monitoring.

31 Jul 2005

Possible early warning system for heart problems

By using sound waves Mayo Clinic researchers have described subtle changes in the motion of the heart that are measurable by ultrasound and may improve understanding of heart function, and possibly be a noninvasive aid in predicting impending heart damage including heart attacks.

31 Jul 2005

Fructose sweetning could be even worse than using other sweeteners

A University of Cincinnati (UC) study provides new evidence that drinking large amounts of beverages containing fructose adds body fat, and might explain why sweetening with fructose could be even worse than using other sweeteners.

31 Jul 2005

Researchers reveal secret of key protein in brain and heart function

Brown University biologists have solved the structure of a critical piece of synapse-associated protein 97 (SAP97) found in abundance in the heart and head, where it is believed to play a role in everything from cardiac contractions to memory creation. Results are published in The Journal of Biological Chemistry.

31 Jul 2005

Combination antiretroviral drug therapy may reduce the risk of mother-to-child HIV transmission

Two new studies support the hypothesis that combination antiretroviral drug therapy may reduce the risk of mother-to-child HIV transmission through breastfeeding, findings that could have significant implications in the developing world.

29 Jul 2005

Millions of hospital patients could be spared the humiliation and infection risk that come with a urine-collecting catheter

...a new study finds, if hospitals used a simple reminder system to prompt doctors to remove the devices after two days.

29 Jul 2005

New research says binge before bedtime and shed weight!

According to new research, dieters who binge before bedtime could hold the key to weight loss.

29 Jul 2005

IVF treatment to restrict women to one embryo only each time

In order to avoid the dangers of multiple births, women having in vitro fertilisation may be limited to having just one embryo implanted at a time.

29 Jul 2005

Key step in the entry of anthrax toxin into human cells

The work, which grew out of an ongoing effort to produce a better anthrax therapeutic, shows that the protective antigen component of the bacterial toxin plays an active role in transferring the other two components of the toxin through the cell membrane.

28 Jul 2005

New findings could help scientists design more effective treatments to slow or halt the progression of HIV infection

Random fluctuations in gene expression can influence the fates of cells infected with human immunodeficiency virus (HIV) far more than previously thought, according to new research from Howard Hughes Medical Institute (HHMI) researchers at the University of California, Berkeley.

28 Jul 2005

Cause of chronic sinus infections lies in the nasal mucus

Mayo Clinic researchers have found that the cause of chronic sinus infections lies in the nasal mucus -- the snot -- not in the nasal and sinus tissue targeted by standard treatment. The findings will be published in the August issue of Journal of Allergy and Clinical Immunology and are available online.

28 Jul 2005

Action of dopamine may be particularly important for understanding psychiatric conditions

Duke University Medical Center researchers have discovered a new mechanism by which chronically high levels of the neurotransmitter dopamine exert their effects on the brain.

28 Jul 2005

Suspected research fraud: difficulties of getting at the truth

This week, the BMJ expresses concern about the validity of a paper it published in 1992 written by Dr Ram B Singh of Moradabad, India.

28 Jul 2005

Black people are more likely to survive a stroke than white people

The risk of stroke and death from stroke are generally higher in black people than whites in the United Kingdom and the United States. In south London, where this study took place, the average age of people with stroke is 10 years lower than in the whole population.

28 Jul 2005

Discovery could improve the early diagnosis of breast and ovarian cancers through a simple blood test

Scientists from the Uppsala Branch of the Ludwig Institute for Cancer Research (LICR) have made a promising discovery that could improve the early diagnosis of breast and ovarian cancers through a simple blood test.

28 Jul 2005

Valuable clues for rational antimalarial drug design and vaccine development

By determining the molecular structure of a protein that enables malaria parasites to invade red blood cells, researchers have uncovered valuable clues for rational antimalarial drug design and vaccine development. The findings are reported in the July 29 issue of the journal Cell.

28 Jul 2005

New way to prevent macular degeneration

Two studies from an unusual research partnership at the University of Chicago appear to have resolved a long-standing dispute about the role of melanin in the eye. The studies, one published in the Proceedings of the National Academy of Sciences (PNAS) and one early online in the Journal of the American Chemical Society (JACS), also suggest a new way to prevent a common cause of blindness.

28 Jul 2005

Discovery sheds light on how a low-calorie diet extends lifespan

Mice, rats, worms, flies, and yeast all live longer on a low-calorie diet, which also seems to protect mammals against cancer and other aging-related diseases.

28 Jul 2005