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Asthma epidemics linked to airflow patterns in thunderstorms
It's the airflow patterns in thunderstorms, rather than the electrical activity, thunder, or rain, which trigger asthma epidemics, concludes research in Thorax. The hospital admission rates for asthma and airflow patterns during thunderstorms up to 80 km away were studied for six towns in south eastern Australia between 1995 and 1998. Hourly... view more... (2001-05-16)
'Fishy' clue helps establish how proteins evolve
Three billion years ago, a "new" amino acid was added to the alphabet of 20 that commonly make up proteins in organisms today. Now researchers at Yale and the University of Tokyo have demonstrated how this rare amino acid - and, by example, other amino acids - made its way into the menu for protein synthesis. view more (2009-01-28)
UAB research could improve the prognosis and treatment of lung cancer
A group of scientists led by Professor Xavier Parés of the Department of Biochemistry and Molecular Biology at Universitat Autònoma de Barcelona, has published a research on AKR1B10, an enzyme that is detected in large quantities only in lung cancers, particularly those caused by smoking. view more (2008-01-08)
How much omega-3 fatty acid do we need to prevent cardiovascular disease?
A team of French scientists have found the dose of DHA (docosahexaenoic acid) that is "just right" for preventing cardiovascular disease in healthy men. view more (2009-08-31)
Endemism in New Caledonia palms: prime role of climate in sustaining refugia
The flora of New Caledonia is one of the richest and most unusual on Earth. On an area of just 18 000 km_ more than 3500 species of vascular plants have been recorded -80% of which are endemic. The palms, with 36 endemic species, belonging to 16 genera- 15 of which are not found anywhere else- provide a good example of this exceptional flora. Most... view more... (2001-11-23)
Embryology Study Offers Clues to Birth Defects
Gregg Duester, Ph.D., professor of developmental biology at Burnham Institute for Medical Research (Burnham), along with Xianling Zhao, Ph.D., and colleagues, have clarified the role that retinoic acid plays in limb development. view more (2009-06-10)
Taking folic acid for a year before pregnancy may reduce risk of preterm birth
Women who take folic acid supplements for at least one year before they become pregnant may cut their risk of having a premature baby by half, according to research published this week in the online journal, PLoS Medicine. view more (2009-05-13)
New technique could prevent rain stopping play
The phrase `rain stopped play` is gloomily familiar to fans of Wimbledon, international cricket test matches and other major sporting tournaments. But cancelling matches because the pitch is waterlogged could be consigned to history, thanks to new technology which could revolutionise the international world of both professional and amateur sport.... view more... (2002-02-21)
Do high dietary intakes of trans fats really promote cardiovascular disease?
From his assessment of the studies, Dr John Stanley says the conclusion that trans fatty acids promote cardiovascular disease is premature for the following reasons. First, although prospective cohort studies show an association with cardiovascular disease, trans fatty acids are estimated rather than measured. They may also be markers for some... view more... (1999-11-18)
High levels of uric acid may be associated with high blood pressure
Reducing levels of uric acid in blood lowered blood pressure to normal in most teens in a study designed to investigate a possible link between blood pressure and the chemical, a waste product of the body's normal metabolism. view more (2008-08-27)
10 new amphibian species discovered in Colombia
Scientists today announced the discovery of 10 amphibians believed to be new to science, including a spiky-skinned, orange-legged rain frog, three poison dart frogs and three glass frogs, so called because their transparent skin can reveal internal organs. view more (2009-02-03)
Queen's chemist sheds light on health benefits of garlic
Researchers have widely believed that the organic compound, allicin - which gives garlic its aroma and flavour - acts as the world's most powerful antioxidant. But until now it hasn't been clear how allicin works, or how it stacks up compared to more common antioxidants such as Vitamin E and coenzyme Q10, which stop the damaging effects of... view more... (2009-02-02)
Heartburn medications do not ease asthma symptoms
The predominance of heartburn among asthma sufferers led many specialists to suspect that acid reflux could be a trigger for the coughing, wheezing and breathlessness of asthma. view more (2009-04-09)
Caffeic acid inhibits colitis in a mouse model -- is a drug-metabolizing gene crucial?
Researchers at Iowa State University have found that increased expression of a form of cytochrome P-450 (CYP4B1) is a key marker of inhibition of colitis in mice by caffeic acid, an anti-inflammatory antioxidant compound widely distributed in foods. view more (2009-05-27)
Popular stomach acid reducer triples risk of developing pneumonia
A popular stomach-acid reducer used to prevent stress ulcers in critically ill patients needing breathing machine support increases the risk of those patients contracting pneumonia threefold, according to researchers at Wake Forest University School of Medicine. view more (2009-09-14)
Good bacteria can be EZ Pass for oral vaccine against anthrax
Researchers at North Carolina State University have discovered that the good bacteria found in dairy products and linked to positive health benefits in the human body might also be an effective vehicle for an oral vaccine that can provide immunity to anthrax exposure. view more (2009-02-17)
Folic acid, B vitamins do not appear to affect cancer risk
A daily supplementation combination that included folic acid and vitamin B6 and B12 had no significant effect on the overall risk of cancer, including breast cancer, among women at high risk of cardiovascular disease, according to a study in the November 5 issue of JAMA. view more (2008-11-05)
New malaria enzyme laid bare with help of computer calculations
Using only computers, a research team at Uppsala University in Sweden has managed to reveal both the structure and the function of a newly discovered enzyme from the most dangerous malaria parasite, Plasmodium falciparum. All that was needed was the amino acid sequence of the enzyme. The findings may represent a breakthrough for future... view more... (2004-12-07)
Frogs reveal clues about the effects of alcohol during development
Fetal alcohol spectrum disorder (FASD) and Fetal alcohol syndrome (FAS) cause malformations in babies, including facial defects, short stature, and mental and behavioral abnormalities. view more (2009-04-06)
Atomic structure of the mammalian 'fatty acid factory' determined
Mammalian fatty acid synthase is one of the most complex molecular synthetic machines in human cells. It is also a promising target for the development of anti-cancer and anti-obesity drugs and the treatment of metabolic disorders. view more (2008-09-05)
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