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Tag: "worsen" at biology news

Common treatment for methamphetamine overdose may damage brain cells

...tment for methamphetamine overdose in humans might worsen drug abuse-related brain injuries," says William Carlezon, PhD, at Harvard's McLean Hospital, who was not affiliated with the study. "A crucial next step is to determine how atypical antipsychotic medications would affect methamphetamine toxicity in ...

How brain pacemakers erase diseased messages

...ulses, Grill said. Patients' symptoms can actually worsen when the devices are dialed to a slower setting. The intensity of stimulation also plays an important role, the study suggests, by determining the number of brain cells affected by a particular series of pulses. A better understanding of the pr...

Ethanol vehicles pose a significant risk to human health, study finds

...s-can decrease lung capacity, inflame lung tissue, worsen asthma and impair the body's immune system, according to the Environmental Protection Agency. The World Health Organization estimates that 800,000 people die each year from ozone and other chemicals in smog. ''In our study, E85 increased ozone-rel...

Freeze! Scientists film proteins at work by freezing them at different states

...uch as Alzheimer. A high amount of these molecules worsen these illnesses, so scientists are looking for drugs to eliminate them. The enzyme studied by the team acts uniquely in bacteria and its counterpart in humans is more complex. Synthesizing an enzyme like the one studied through biomimetics is an ...

Trying to control pain can be a double-edged sword, say scientists

...this feeling of uncontrollability in turn tends to worsen the pain. On the other hand, teaching persistent pain patients psychological coping strategies to handle their pain usually does help reduce its effects." Dr Wiech and her team set up an experiment to investigate how people cope with pain. In the ...

New technology to speed up research into Huntington's disease

...rms that mice with HD have cognitive problems that worsen with increasing age. Dr Morton said, "We are very excited about the results from the touchscreen apparatus. For many HD patients, the cognitive and emotional symptoms are as disabling as the more obvious motor effects of the disease, and much eff...

Research suggests beta agonists may alter the immune system

...ur bodies produce during times of high stress ?may worsen diseases such as asthma, heart failure and lupus t...studies have reported that asthma symptoms tend to worsen over time in patients on continuous beta-agonist therapy. Although the reasons for this deterioratio...

New pathways for autoimmune treatment identified

...rs. Under certain conditions, the drug can help or worsen an autoimmune disease by producing good or bad cytokines. That's why it also has worked for some cancers and why a modified version of the glycolipid or totally different drugs may work better, Dr. She says. "By understanding more, we are better ab...

An elephant tail

...in older patients with diffuse atherosclerosis may worsen clinical outcomes," the authors write. ...

Little known DNA repair enzyme may be a tumor suppressor gene

...in older patients with diffuse atherosclerosis may worsen clinical outcomes," the authors write. ...

Use of amino acid supplement following a heart attack provides no benefit, may be harmful

...in older patients with diffuse atherosclerosis may worsen clinical outcomes," the authors write. ...

Engineered heart tissue offers insights into irregular heartbeats, defibrillator failure

... people for whom defibrillators are more likely to worsen abnormal heart rate, Bursac said. So-called implantable cardioverter defibrillators (ICD) monitor the timing of heartbeats and can deliver small or large shocks to correct arrhythmias. Such devices have become increasingly common for patients who h...

Sustainable farm practices improve Third World food production

...ulturally driven environmental damage threatens to worsen the problem. "Although it is uncertain whether these approaches can meet future food needs, there are grounds for cautious optimism, particularly as poor farm households benefit more from the their adoption," Pretty says. ...

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea

...posing lake sediments that could generate dust and worsen air quality. Fish and fish-eating birds would disappear in 10-30 years, and be replaced perhaps by birds that eat brine shrimp. And the sea would continue to smell, which might even get worse. Doing something to address the Salton Sea's problems on t...

Cord blood cells may widen treatment window for stroke

...troke caused by a burst blood vessel. The drug can worsen this less common type of stroke. "New and more flexible treatments are needed to help more patients," Dr. Willing said. "Cord blood treatment in rats is successful in alleviating, even eliminating, the disabling effects of both ischemic and hemorrha...

Pillows - a hot bed of fungal spores

...d be at risk of infection. Aspergillus can also worsen asthma, particularly in adults who have had asthma for many years, and cause allergic sinusitis in patients with allergic tendencies. Constant exposure to fungus in bed could be problematic. It can also get into the lung cavities created by tuberculo...

A little stress gives beneficial oomph! to immune system

... cells to sites of potential immune reaction could worsen pre-existing inflammatory illnesses such as cardiovascular disease or gingivitis, and autoimmune disorders such as arthritis, multiple sclerosis or psoriasis. In autoimmune diseases, the immune system attacks the body. "Understanding mechanisms that...

Molecule that usually protects infection-fighting cells may cause plaque deposits inside arteries

... effect, encouraging other cells to accumulate and worsen plaque buildup in arteries. "The oxidized lipids are cleared out by macrophage cells, but the lipids themselves are very toxic to cells and promote apoptosis (cell death)," Dr. Miyazaki said. "Therefore AIM production is a self-defense mechanism for...

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