Body

Eating a variety of fruit cuts lung cancer risk

Eating five portions of fruit and vegetables per day is one of the means that experts most frequently recommend for preventing cancer. Now, the European EPIC study carried out by researchers from 10 countries has shown that, in the case of lung cancer, the important thing is not just the quantity but also the variety of fruit consumed, which can reduce the risk by up to 23%.

Walk in the park yields biological treasure

Scientists trying to get a grip on the arms race between plant-eating insects and the defenses put up by their hosts just got a boost from new research by a University of Arizona entomologist published in the early view edition of Molecular Ecology.

CHICAGO -- Natural killer cells are major weapons in the body's immune system. They keep the body healthy by knocking off tumors and cells infected with viruses, bombarding them with tiny lethal pellets. But natural killer cells are powerless against HIV, a fact that has bedeviled science for over 20 years.

Now, researchers at Rush University Medical Center have discovered the reason why.

People who contract gastroenteritis from drinking water contaminated with E coli are at an increased risk of developing high blood pressure, kidney problems and heart disease in later life, finds a study published online in the British Medical Journal.

The findings underline the importance of ensuring a safe food and water supply and the need for regular monitoring for those affected.

People who contract gastroenteritis from drinking water contaminated with E coli are at an increased risk of developing high blood pressure, kidney problems and heart disease in later life, finds a study published online in the British Medical Journal.

The findings underline the importance of ensuring a safe food and water supply and the need for regular monitoring for those affected.

Paw prints and feces offer new hope for saving tigers

As experts gather in St Petersburg, Russia for next week's Tiger Summit, fewer than 3,200 tigers survive in the wild worldwide. More than half live in India, where they are spread over a vast area (100,000 sq km) of forest.

STANFORD, Calif. — Universal access to lifesaving AIDS drugs — a United Nations' Millennium Development Goal that officials hoped to accomplish by 2010 — would require a staggering $15 billion annual investment from the international community at a time when the economic downturn is challenging continued funding for relief efforts, according to a new analysis by researchers at the Stanford University School of Medicine.

People who contract gastroenteritis from drinking water contaminated with E. coli are at an increased risk of developing high blood pressure, kidney problems and heart disease in later life, finds a study published on bmj.com today.

The findings underline the importance of ensuring a safe food and water supply and the need for regular monitoring for those affected.

Cough medicine could be used as way of predicting how well individual patients metabolise tamoxifen used in the treatment of their breast cancer, according to new research presented at the 22nd EORTC-NCI-AACR [1] Symposium on Molecular Targets and Cancer Therapeutics in Berlin today (Friday).

The findings suggest that it could be possible to use cough suppressant syrup as a probe, which would enable doctors to identify patients with altered metabolism and use this information to improve individual treatment, making it more effective and reducing the chances of side-effects.

Researchers have found that a newly developed drug, which is aimed at a particular receptor involved in the development of blood vessels that sustain tumour growth, is active in patients with advanced cancers and, in some cases, has halted the progress of the disease. The drug, ACE-041, targets a different molecular pathway to other anti-angiogenesis drugs and may provide a new option to treat cancer.

Understanding the evolution of life-threatening viruses like influenza, Ebola and dengue fever, could help us to minimize their impact. New research points the way to a fossil record of viruses that have insinuated themselves into the genomes of insects and other animals, providing clues about their evolutionary history. The findings, published online on November 18 in the open-access journal PLoS Genetics, could enable scientists to elucidate general principles in virus evolution from their genetic "fossils", which in turn could inform approaches for controlling disease.

ALBUQUERQUE, N.M. — Nine supercomputers have been tested, validated and ranked by the new "Graph500" challenge, first introduced this week by an international team led by Sandia National Laboratories. The list of submitters and the order of their finish was released Nov. 17 at the supercomputing conference SC10 meeting in New Orleans.

The machines were tested for their ability to solve complex problems involving random-appearing graphs, rather than for their speed in solving a basic numerical problem, today's popular method for ranking top systems.

ANN ARBOR, Mich.—Patients undergoing plastic or reconstructive surgery should receive a risk assessment before their procedure to predict whether they'll develop potentially fatal blood clots in the legs or lungs, according to research at the University of Michigan Medical School. Researchers also found that 1 in 9 patients at highest risk based on that assessment will develop clots if not given clot-preventing medications after surgery.

Athens, Ga. ¬¬-- New University of Georgia research, published this week in the early online edition of the journal Proceedings of the National Academy of Sciences, has found that blocking the action of an enzyme called GnT-V significantly delays the onset and spread of tumors in mice with cancer very similar to many cases of human breast cancer.

DURHAM, N.C. -- The review process being used by the Food and Drug Administration to assess the safety of a faster-growing transgenic salmon fails to weigh the full effects of the fish's widespread production, according to analysis by a Duke University-led team in this week's Science.

The salmon, whose genome contains inserted genes from two other fish species, could become the first genetically modified animal approved for human consumption in the United States.