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Tag: "exposure" at medical news

Drug abuse leads to long standing changes in the brain

...t. But previous animal studies show that long-term exposure to methamphetamine damages dopamine-producing brain cells and leads to reduced dopamine levels. The current finding of reduced DAT levels in chronic methamphetamine abusers indicates that in humans, too, the drug causes dysfunction in dopamine circui...

Psychological consequence of terrorist attacks

...cted - many millions more have been traumatised by exposure to the events of last Tuesday through the media. In New York City, hospitals are responding to the need for counselling and support by setting up walk-in clinics and rapid response teams. Dr Michael Faenza, head of the National Mental Health Associ...

UV Radiation induces Melanoma

...uld wear hats, use sunscreen and avoid unnecessary exposure to sunlight." It is feared that this rapid proliferation increases the chance that DNA damaged cells will reproduce and take hold, producing a tumour. Melanoma accounts for roughly 10% of reported cases of skin cancer and can spread rapidly through...

Medications to Prevent Relapse to Cocaine Use

...gators prevented relapse to cocaine use induced by exposure to cocaine-associated cues or by cocaine itself. This finding could open up a new avenue for the development of drugs to prevent relapse to cocaine use induced by environmental cues. Treatment of cocaine addiction has always been hampered by high...

Dangers of heat

Prolonged exposure to high temperatures can lead to heat exhaustion and eventually to heatstroke. Vulnerable people can begin to suffer problems when the temperature rises into the thirties. By the time the thermometer tops 45C, everybody is potentially at risk. Heat...

Fright could be more harmful

...ainty over the chronic health effects of low level exposure to toxic agents will further increase anxiety in t...ntroversial hypotheses about the health effects of exposure to chemical and biological weapons will probably become belligerent scientific and media issues."...

Pollution- hazardous for diabetics

...988 to 1994 and have uncovered a link between PM10 exposure and heart problems in people with diabetes.// PM...en you have diabetes. It's possible that pollution exposure and diabetes affect the same pathways to heart disease and when both are present the risk is compoun...

Gas Masks Don't Always Fit an Emergency

... of it is not good. One could never know where the exposure is; you'd have to wear the mask at all times. //Even if you could stand to do that, the risks to your health would probably be higher than the likelihood that wearing the mask would prevent contamination. And wearing a mask could be particularly d...

Pregnant smokers could harm their child

...se among youth. "Our findings indicate that foetal exposure to tobacco may have a significant impact on early initiation of tobacco use in children." // The researchers questioned almost 700 10-year-olds, more then half of whose mothers smoked an average of 15 cigarettes a day during pregnancy. Among the 47 ...

Is there a link between bones and memory?

...qing Zhang of Boston University told. Low estrogen exposure may increase the risk of verbal memory problems, h...ts suggest that "high levels of long-term estrogen exposure may be a critical element in the preservation of verbal memory with aging," Zhang and colleagues con...

Why running noses are a good thing

...o tell which is which. No test will reveal anthrax exposure or predict who might develop anthrax in the near future. Nasal swabs, if given soon enough, can help show whether anthrax was present in a particular location, but they do not tell doctors anything about an individual's risk. So far, the single mos...

Asthma linked to obesity

...ents were asked about factors including children's exposure to tobacco smoke, their birthweight and if they were breastfed, factors which could have affected their asthma risk. Heights and weights were measured, and their body mass index calculated.A BMI over 30 is considered as obesity. The team, led by Dr...

Bronchitis in the young

...ll. Other likely risk factors include poverty, and exposure to respiratory irritants....

Birds breed viruses

...s who contracted avian flu did so directly through exposure to chickens.However, there was no evidence of wider spread and no evidence of human-to-human transmission with either strain. The symptoms of A (H5N1) are very similar to other influenza viruses, typically with fever, malaise, myalgia, sore throat ...

Allergy Risk Increased by Kerosene Use

...arly from kerosene and to a lesser degree gas. The exposure to these pollutants could play a major role in the emergence of allergic diseases in both developing and developed countries....

Music in link with epilepsy

... of the music were then tested and just 10 minutes exposure improved their spatial skills, such as paper cutting and folding. Studies on rats showed that those that had listened to the K448 sonata were able to negotiate a maze faster than those that had been played minimalist music or left in silence.// In ...

Magnetic resonance angiography in clinical medicine

...terial catheterisation, injection of contrast, and exposure to ionising radiation with their associated risks. Another method, doppler ultrasonography (US), though non-invasive and sensitive to flow, suffers from significant attenuation in bone, air and bowel gas, thereby limiting the regions in which it ca...

Antenatal kerosene exposure endangers child's sight

...that if pregnant women whose jobs require too much exposure to solvents like kerosene, gasoline,glues etc may ...the first study to look at the effects of prenatal exposure on offspring. The researchers compared the vision of 43 children between 3 and 6 years old whose mo...

Memory loss associated with microbes

...mptoms appears to be proportional to the amount of exposure to the toxin excreted by the microbe. The first evidence that the microscopic creature, a dinoflagellate, could kill came from US fishermen who noted that fish in the Pocomoke River and nearby estuaries were swimming erratically and had strange lesio...

Exposure to EMF may cause leukemia

Long periods of exposure to high level electromagnetic fields (EMF) at home could double the risk of childhood leukemia, a major international study has found. //The three-year review was carried out for the International Commission on Non-Ionizing Radiation Protection (ICNI...

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