Tag: "harmful" at biology news
Underground air might cause DNA damage
...vironments are full of airborne particles that are harmful
to varying degrees when inhaled. Particularly dama...ts, which are presented in her thesis Particularly harmful
particles show that particles from the Stockholm underground are much more damaging to cellular DNA ...
New hope for wrinkles
...tathione is the body's key defense for detoxifying harmful
compounds implicated in cancer, diabetes, aging along with other diseases and degenerative conditions. After nine years in development, researchers Dr Wallace Bridge and Dr Martin Zarka, of the University of New Sotuh Wales (Sydney, Australia) have...
One gene 90 percent responsible for making common parasite dangerous
...d treat them. The results suggest that when a more harmful
strain of T. gondii appears, approximately 90 percent of the time it will have a different form of the virulence gene than that found in the more benign strains of the parasite. Infection with T. gondii, or toxoplasmosis, is perhaps most familiar t...
Nano-devices hold promise for early-stage cancer detection
...n early development stages. They will also detect harmful
pathogens in food and water. Engineering researchers at McMaster University will be escalating efforts to develop these micro- and nanotechnology-based bio-sensors and imaging devices through the support of a recently announced $4.25 million grant ...
Alcohol and health: Those 2 glasses a day that lengthen your life
...nsum-ing more than two doses might lead to several harmful
effects, such as liver diseases or increased risk of certain forms of tumour". The meta- analysis conducted by the Catholic University found that the protection given by a moderate consumption of alcohol for American men is lower than the one obser...
Researchers study role of natural organic matter in environment
...inimize water color and giving rise to potentially harmful
chemical byproducts as a result of chlorination. Through a process called "bio-fouling," natural organic matter is also a major culprit in degrading the performance of membrane filtration systems used for water purification and desalination. Howeve...
STAR*D study examines effect of genetic variation in treatment resistant depression
...ifficult to predict which patients will experience harmful
or unpleasant side effects," said Francis McMahon, MD, Chief of Genetic Basis of Mood & Anxiety Disorders, National Institute of Mental Health. "We are seeking to better understand why this is the case, and, using genetic markers, develop personaliz...
CGIAR climate change research
...s Ray guns and African grasses help farmers reduce harmful
nitrous oxide emissions Nitrogen is one of the keys to healthy plant growth, which is the very reason that farmers the world over apply nitrogen fertilizer to their crops. Yet these fertilizers also increase a process called denitrification in whic...
International scientists present the latest advances in RNAi and its clinical impact
...e, for example, in cases where the production of a harmful
protein can be regulated. The discovery in 1998 of a new mechanism that regulates the expression of genes, called RNA interference, is hailed a revolution in the study of genes and their functions. The discovery of RNAi, with its promising clinical i...
Glucocorticoid plays key role in skin abnormalities induced by psychological stress
...nment and the internal organs. It protects us from harmful
microorganisms, ultraviolet light, toxic chemicals, and more. However, its most important function is providing a permeability barrier that prevents us from drying out. We are approximately 65 percent water and we are able to survive and function in ...
Special ES&T issue examines effects of emerging contaminants on people, planet
...a human hair could somehow self-assemble and cause harmful
effects in the water, air and perhaps even cells s...at Lakes to the same extent as PCBs, a potentially harmful
group of compounds banned 30 years ago, according to Deborah Swackhamer, Ph.D., and colleagues at th...
Sandia research to focus on early detection of harmful algal blooms
...gy that can successfully detect deadly toxins from harmful
algal blooms (HABs). The funding is provided by th...exposure to toxins. Most species of algae are not harmful
and actually serve as the energy producers at the depths of the food web. The dense patches (or "blo...
Study suggests morning pollution pall for Manchester commuters
...s in Manchester inhale their biggest daily dose of harmful
traffic fumes during the morning rush hour. A tea... of 2007. But initial results appear to show that harmful
particles produced by vehicles stay trapped near to ground level during the morning rush hour. Rese...
Finding a cure for cancer: The holy grail of science
...g radiation. In reality, UV lasers would not be harmful
humans but the effect from ionizing radiation (background, medical applications and so on) is inevitable. Friedl's work gives the ability to make detailed observations of the effects of ionizing radiation on individual cells, research which might ult...
Gene therapy for hereditary lung disease advances
... that causes lung and liver disease, has caused no harmful
effects in patients and shows signs of being effective, University of Florida researchers say. In a clinical trial, researchers evaluated the safety of using a so-called gene vector - in this case an adeno-associated virus - to deliver a corrective...
Exposure to dioxins influences male reproductive system, study of Vietnam veterans concludes
...strued that a decrease in the risk of BPH is not a harmful
effect, but the larger picture is that dioxins are affecting the normal growth and development of the reproductive system. Moreover, several effective treatments are available for BPH and thus reduction of BPH by a toxic compound is not a desirable e...
Exercise, aspirin consumption and childbirth may alter cancer risk
...cer in men, how aspirin consumption may negate the harmful
effects of eating flame-broiled meat, and a new li...er, is that taking aspirin negated the potentially harmful
effects. "We are not certain of the mechanism by which aspirin may be helping attenuate these risk...
ACS News Service Weekly PressPac -- Nov. 8, 2006
...olution to the search for improved ways of killing harmful
bacteria in milk and increasing its shelf life without introducing off-flavors into the beverage, researchers report. Michael C. Qian and colleagues at Oregon State University point out that ultrahigh-temperature pasteurization (UHT) does produce m...
Malaria poses additional risks for first-time mothers
... is said to have 'placental malaria'. This is very harmful
to the mother and to the fetus; it leads to low birth weight and, in Africa alone, is estimated to be responsible for the deaths of about 200,000 infants every year. A woman who is pregnant for the first time is most likely to suffer from placental m...
Scientists discover way to block growth of prostate cancer cells
...ich the sex hormone, androgen, increases levels of harmful
chemicals called reactive oxygen species (ROS) in the prostate gland that play a role in the development of prostate cancer. They found that a drug that blocks this pathway significantly prolonged survival and inhibited tumour development in mice t...
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