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Tag: "common" at biology news

Long-term marijuana smoking leads to respiratory complaints

...uctive lung disease. The authors noted several common limitations among the studies, including inadequate control of the complicating effect of tobacco smoking; lack of standardized measures for the amount or duration of marijuana use; and lack of standardized measures of the outcomes that were evaluate...

Scientists sequence genome of parasite responsible for common sexually transmitted infection

...rasite that causes trichomoniasis, one of the most common sexually transmitted infections (STIs), revealing ...wer abdominal pain. In men, trichomoniasis is most common in the urethra; however, infected men often do not have symptoms. Those that do may experience irrit...

Phthalates now linked to fat, related health risks

Exposure to phthalates, a common chemical found in everything from plastics to soap...on that low-dose exposures to phthalates and other common chemicals may be reducing testosterone levels or function in men, and thereby contributing to rising...

Elucidation of the genome for diabetics with DNA chips

...y, but essential for survival. Zinc deficiency is common in developing countries and has been associated wi...gh-density DNA chips ?the first in the world for a common disease like DT2 ?demonstrate the validity of this approach. The method will be made available in Fr...

Study to explore using magnets to correct 'sunken chest'

...e using magnets can correct sunken chest, the most common congenital chest deformity, in the same way that o...he United States each year and is three times more common in boys than girls. A UCSF team developed the new procedure, in which a magnet attached to the ch...

Cancer vaccines -- Taking a jab at cancer by stimulating the immune system

...cancer types, since p53 loss of function is such a common feature of many cancers." ...

The chimpanzee stone age

...that stone tool use was a trait inherited from our common ancestor. Julio Mercader, Christophe Boesch and co...is type of tool use could have originated with our common ancestor, instead of arising independently among hominins and chimpanzees or through imitation of hu...

Rotavirus can spread beyond the intestine

...has shown that children who have rotavirus, a very common cause of diarrhea in children, and who have antigens (protein fragments from the surface of the virus) in their blood, also have infectious virus in their blood. Margaret Conner and colleagues from Baylor College of Medicine, Houston Texas, tested sa...

Gene that makes people 'early to bed and early to rise' demystified

...eople with jet lag or shift work--some of the most common of sleep disorders--might take a pill and be back to normal again," Fu said. "When we fly to Europe, we set our watch ahead several time zones and our watch is back on track," Ptácek added. "We don't understand the [internal] human clock well enoug...

Scripps research team discovers a chemical pathway that causes mice to overeat and gain weight

...ing fever, fertility, and blood pressure. The most common anti-inflammatory and analgesic treatments like ibuprofen are aimed at reducing PGE2 signaling at all four prostaglandin receptors. The absence of EP3 receptors has long been known to prevent fever response in mice, and it was this effect that the...

Hofmeyr skull supports the 'Out of Africa' theory

...an African population, which means the most recent common ancestor of all of us - wherever we come from," said Grine. Although the skull was found over half a century ago, its significance became apparent only recently. A new approach to dating developed by Grine team member Richard Bailey and his colleag...

Study identifies risk factors for spread of respiratory infections in hospitals

...als." Unfortunately, the authors note, it is a common practice for hospitals to increase the number of hospital beds inside a ward to meet the increasing demand, especially during an epidemic. When the distance between beds is reduced, exhaled droplets can spread from one patient to adjacent patients, s...

Exploring the molecular origin of blood clot flexibility

...cope. This alpha-helical coiled-coil "spring" is a common motif in protein structure, first identified more than 50 years ago and so its stretchiness may have broader implications in biology and medicine. By understanding mechanical processes at the molecular level, it may eventually be possible to see h...

White blood cells in lung produce histamine seen in allergies

...two different populations of mice to mycoplasma, a common respiratory infection in rodents and humans. One population had a genetic abnormality that causes a total lack of mast cells; the other population was made up of normal, wild-type mice. Both populations of infected mice developed pneumonia. "We th...

Illuminating the dark side of plants

...y, poinsettia, and philodendron. It also includes common names, descriptions, species distribution, and information on the toxic part of each plant, and provides the latest medical information along with scientific references. An easy-to-use glossary of botanical terms helps guide the non-specialist throu...

Carnegie Mellon University research shows how sensory-deprived brain compensates

.... Losing sight, hearing, taste, smell or touch are common disabling side effects of traumatic brain injury and stroke. In her study, Barth recorded brain activity in mice with various degrees of whisker removal. As a first step in her research, Barth removed all but one whisker and recorded neural activi...

Selective marker found to indicate aggressive form of breast cancer

...17 to 37 percent of all breast cancers and is more common in premenopausal African American women than in other demographic groups. Among breast cancers, this subtype is known to have an early age of onset and a very short time between treatment and relapse. It is more commonly detected during normal scree...

Twin studies reveal genetic components leading to cardiac and kidney disease

...rs. In twin subjects with elevated CRP, multiple, common genetic variants were found along a pathway associ...al function, or dysfunction, is the basis of every common vascular disease, such as heart attack or stroke. "When blood vessels stop contracting and rela...

Xylitol reduces risk of cavities

...uncommon on the Swedish market today. In the most common sugarless products, xylitol accounts for roughly a third of the sweetening. The studies nevertheless warrant the following recommendations: A daily intake of xylitol is recommended as a supplement for patients at high risk for tooth decay....

Common blood test can help distinguish between mononucleosis and tonsillitis

...leosis (caused by the Epstein-Barr virus) are both common ear, nose and throat conditions with similar symptoms, according to background information in the article. These symptoms include sore throat, fever, painful swallowing, white plaque on the tonsils and redness of the throat and tonsils. "The import...

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