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Tag: "effects" at biology news

Children of smokers have more than 5 times higher levels of a nicotine toxin

...parents or carers being educated about the harmful effects of passive smoking on their children and then acting on that knowledge....

Ice Age extinction claimed highly carnivorous Alaskan wolves

... But the results of this study also imply that the effects of the extinction were broader than previously thought. “There may be other extinctions of unique Pleistocene forms yet to be discovered,” she added....

Smoking rate has plummeted in New York City

...2006 campaign graphically depicted tobacco smoke’s effects on the brain, lungs and arteries, showing testimonials from sick and dying smokers and their children, including former smoker Ronaldo Martinez, who now breaths through a hole in his throat as a result of smoking-related cancer. In a separate recent ...

Putting feelings into words produces therapeutic effects in the brain

... beyond whatever actual insights are gained. These effects are likely to be modest, however, Lieberman said. ...se findings may help explain the beneficial health effects of mindfulness meditation, and suggest, for the first time, an underlying reason why mindfulness med...

St. Jude study shows genes play an unexpected role in their own activation

...on switch” triggers gene activity that might cause effects ranging from learning and memory capabilities to glucose production in the liver. The “on switch,” a protein called CREB, is a transcription factor—a molecule that binds to a section of DNA near a gene and triggers that gene to make the specific pr...

'Smart' mice teach scientists about learning process, brain disorders

...le the mice learn faster, studies on the long-term effects of deleting the enzyme, called Cdk5, from the brai...ning a search for drugs that might create the same effects without genetic manipulation and monitoring the animals’ health and behavior over time. The find...

Focused ultrasound relieves fibroid symptoms in women

...ted with the original protocol. No serious adverse effects were reported. "We have shown that treating fibroids with an optimized, less restrictive protocol allows for treatment of a greater fibroid volume, which results in even greater symptomatic relief at clinical follow-up," Dr. Fennessy said....

Common treatment for methamphetamine overdose may damage brain cells

...ngton's disease. After examining the long-term effects of the combination, they found that glutamate concentrations in the substantia nigra were twice as high in methamphetamine-treated rats as in saline-treated ones two days after injections. Yamamoto and his colleagues were able to link this rise in gl...

Want to save polar bears? Follow the ice

...searchers hope to distinguish short-term, seasonal effects and large scale phenomena such as the Arctic and North Atlantic Oscillations from the long-term global warming trends that threaten the Arctic’s mega-fauna. Bergen will work with polar bear researchers from the United States Geological Service (U...

Lessons from the orangutans: Upright walking may have begun in the trees

...they cross gaps in the forest, you can learn about effects that living in logged or degraded habitat would have on their locomotion. These could affect energy levels, for example, if they have to go to the ground, which is incredibly risky because the Sumatran tiger is down there licking its lips. The Sumatr...

An 'elegant' idea proves its worth 25 years later

...dy carries more nitrogen out and reduces the toxic effects of excess nitrogen accumulation." Excess nitrogen yields ammonia, which is poisonous and in the case of urea cycle disorders, causes brain damage, retardation, coma and even death. Despite the immediate clinical success of the treatment, the dr...

Human stem cell treatment restores motor function in paralyzed rats

...fective to a degree, are often accompanied by side effects and eventual drug tolerance that lessens their efficacy. “These research findings could offer great hope to people with spinal ischemic injury who suffer from resulting spasticity and rigidity,” said Marsala. ...

HIVMA opposes The Gambia's unproven AIDS remedy

... body of evidence from Africa shows the lifesaving effects of antiretroviral medicines for people living with HIV/AIDS. On the other hand, the remedy President Jammeh is promoting is untested. It is highly unethical to stop a proven therapy to try an unproven one. We are extremely concerned that President Ja...

Pistachios lower cholesterol, provide antioxidants

... design, controlled feeding experiment to test the effects of pistachios added to a heart healthy moderate-fa... this study researchers, researchers looked at the effects of these diets on oxidized LDL and on antioxidants in the blood. "We were trying to see if the ...

Statin treatment improves spatial memory in mouse models of Alzheimer's

...cholesterol in the brain, suggesting that statin’s effects on memory might be due to a reduction in cholesterol biosynthesis. In this study, Dr. Morcos found that nNOS (neuronal nitric oxide synthase) levels were significantly higher in the hippocampus and cortex of statin treated groups as compared to ...

Early exposure to indoor fungus molecules may protect infants against future allergies

...gh-risk infants. The immune system’s protective effects only appear to occur when there are high levels of...ing and wheezing." The UC-led team analyzed the effects of microbial exposures to both fungal glucans and endotoxins (natural compounds secreted from diseas...

Puzzling plankton yield secrets to role in evolution/global photosynthesis

...f the planet’s climate by counteracting greenhouse effects due to human activities. Clearly, this storage capacity is affected by changes in the photosynthetic efficiency of the algae, which in turn is linked to the environmental conditions experienced by these organisms in their environment." The ecolog...

How to look at dinosaur tracks

...ridactyl, and provide a guide for interpreting the effects of many different types of erosion on these invaluable impressions. “Well-preserved vertebrate tracks in the rock record can be an invaluable source of information about foot morphology, soft tissue distribution, and skin texture,?write Jesper Milàn...

A cherry on top: Tart cherries may alter heart/diabetes factors

...ings that tart cherries conferred these beneficial effects at such a modest daily intake." The potential for protective effects from antioxidant-rich foods and food extracts is a promising area of research, says Bolling, who is ...

Scripps research team sheds light on long-sought cold sensation gene

...ivation of TRPM8 can mediate some of the analgesic effects of cold. Just how the same sensation can be interpreted as unpleasant under certain circumstances and pleasant in others is still not clear, but is a question the group plans to investigate. "It would be really interesting to find out how the brai...

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