Methamphetamine abuse linked to long-term damage to brain cells
...trongly suggests that methamphetamine abuse causes harmful physical changes in the brain that can last for many months and perhaps longer after drug use has stopped," said Dr. Alan I. Leshner, Director, National Institute on Drug Abuse (NIDA). In their study, Dr. Linda Chang and Dr. Thomas Ernst measured lev...Castagnolis discover compound in tobacco that may protect against Parkinson's disease
...on of smoking without exposing people to its other harmful health effects." The results of the Castagnolis' research, which has included a second study of mice that confirmed their initial findings, is an important step in the study of Parkinson's disease, he said. "This compound may be the one involved in ...Selective inhibitor can target specific enzyme that promotes cancer
...dy, stopping the actions of a select few that have harmful effects has been the goal of many research teams. ...ugh its design, initiate a reaction that stops the harmful activity, Mobashery said. Researchers have been aware of MMPs for nearly three decades. There are 26...First protein 'biochips' may deliver improved detection, diagnosis
...heaply detect specific microbes, disease cells and harmful or therapeutic chemicals. Michael Ladisch, profess...ble to detect specific microbes, disease cells and harmful or therapeutic chemicals quickly and cheaply. Take, for example, a protein that binds to the cell wa...War on bacteria could leave drug-resistant strains unchecked
...rrounding us. Not only do most bacteria help keep harmful bacteria in check, they may even give a baby's immune system the exercise it needs to develop normally. "Dousing everything we touch with antibacterial soaps and taking antibiotic medications at the first sign of a cold can upset the natural balance...Product design and drug development breakthroughs help the environment
...dous solid and liquid waste as well as potentially harmful chemical reactions associated with the original production process, while increasing the product yield by more than 25 percent. U Using water, not hazardous solvents to spray on plastic coating (Pittsburgh, Pa.) - Scientists with Bayer Corporation, i...Chemist uses DNA to trigger an alternative chemotherapy method
...oach would facilitate the selective destruction of harmful cancer or viral cells, which has always been the less-than-realized basis for chemotherapy. "All throughout history, the development of drugs has been based on trying to find a molecule toxic only to the pathogen or organism you want to kill," Tayl...Molecular architects create new cancer preventives
...s. This not only reduces the levels of potentially harmful metabolites produced by the analogs, it also keeps the analogs active in the body longer. The changes are all small compared to the size of the vitamin D molecule, which has a total of 27 carbon atoms. But they make a significant difference in its ef...Process may help scientists find new antibacterial drugs
...changing an inert substance to a helpful drug or a harmful toxin. One of the most notable cases of this is the drug thalidomide. One enantiomer has beneficial properties, while the other causes birth defects. "Many of the body's most active chemicals are chiral," Lectka notes, "and they tend to work togeth......for the persistence of a wide range of potentially harmful contaminants, said Russell Flegal, professor and chair of environmental toxicology at UCSC. "We can use this as a model for other contaminants, and it shows that many contaminants simply don't go away once you stop polluting the environment," Flegal ...New drug takes multiple approach to prevent brain damage from stroke
...h as raised blood pressure, inflated heart rate or harmful effects on other chemicals in the brain, Annoura said. Because the results were so promising, the drug will be tested on other brain disorders such as Parkinson's disease and Alzheimer's disease, he added. The complementary approach is what different...Gender differences in private substance abuse treatment retention
...cate more assertively, and education regarding the harmful medical consequences of alcohol and drug abuse. Accordingly, reinforcement over a longer time period is beneficial. In addition, a longer time in treatment allows people to develop social support systems and friendships among people who are not dri...Sushi condiment may prevent cavities
... implicated in cancer prevention, found to prevent harmful blood clots, and demonstrated anti-asthmatic properties. In addition, wasabi has antimicrobial properties - which may account for its popularity as an accompaniment to raw fish. Wasabi, or Wasabia japonica, is a perennial plant from the Cruci...Cognitive neuroscience takes on alcohol
...rs can sometimes display foolish, inappropriate or harmful behavior that they would not exhibit when sober," said Muriel Vogel-Sprott, professor of psychology at the University of Waterloo and first author of the paper. "This is commonly attributed to the effects of alcohol, for example, explaining away the...Free radicals mediate arsenic's harmful effects
...t poisons millions of people worldwide, exerts its harmful effects by boosting the body's production of damag...ls rise with the presence of some toxins. They are harmful because they tend to interact strongly with nearby molecules, changing the structure of cellular com...Beta-blocker shown to be ineffective in patients with advanced heart failure
...g, but over time high levels of norepinephrine are harmful to the heart muscle," said Lucille Marcoux, clinical research coordinator of the study at the Dallas VA. "We know that if we block some of the receptors, we can attenuate the progression of heart failure. Patients who have very advanced heart failure...Microbes and the dust they ride in on pose potential health risks
...hat the upper altitudes of the dust clouds deflect harmful UV rays, shielding microbes at lower altitudes as they are transported across the Atlantic Ocean. Additionally, when dust clouds move over open water in lower latitudes, the moderate temperatures and high humidity are known to enhance microbial survi...New study highlights impact of bipolar disorder on society
...g conditions of the disorder, and can lead to very harmful consequences for patients and those around them," comments Professor Eduard Vieta, Department of Psychiatry at the University of Barcelona. "Risperidone has been shown to be effective in treating bipolar mania, and causes fewer side effects than the ...Study discovers a way to keep infants safe from second-hand smoke
...n few studies of ways to protect children from the harmful effects of tobacco smoke, Emmons remarks. Project KISS focused on low-income parents of young children, because that socioeconomic group has the highest rate of smoking. The researchers recruited 291 parents or caregivers of children younger than th...Antioxidant herbal extract may help prevent and treat reflux oesophagitis
...that protect cells from damage and lower levels of harmful chemicals produced by free radicals were also seen among the groups treated with DA-9601, particularly in the group given the higher dose. The authors conclude that oxygen free radical damage is a major cause of reflux oesophagitis, and that antioxid...