Tag: "exposure" at biology news
Midday sun holds the key to good health
...ly by the sun. After a short period of unprotected exposure
you should cover up or put on sunscreen to avoid s... run for any time of day and can calculate optimum exposure
times for any location in the UK or abroad. *Figures for optimum Vitamin D sun exposure
this Bank Ho...
Employee with sleeping disorder has to work extra hard
...periment. In this set-up, posture, food intake and exposure
to light were kept constant. Moreover the study subjects were not allowed to sleep over a 24-hour period. After the controlled experiment, the researcher carried out a field study in which employees with several sleeping problems received a palmtop ...
Harmful chemicals may reprogram gene response to estrogen
New research shows that exposure
to harmful chemicals and drugs during critical dev...ition to uterine tumors also receive an early-life exposure
to diethylstilbestrol (DES), a synthetic form of estrogen linked to vaginal cancer, the incidence of...
New research on endocrine disrupting chemicals to be presented at ENDO 2005 87th Annual meeting
...ctions. The forum will teach attendees about fetal exposure
to endocrine disrupting chemicals as a basis for adult disease particularly infertility, obesity and breast and prostate cancer....
Scientists use gene transfer technology and common virus to block neuropathic pain
...ain threshold responses to filament touch and heat exposure
tests than rats that did not receive the vector. "We saw a sustained, continuous pain-suppressing effect that began one week after inoculation with the vector and lasted for six weeks," says Marina Mata, M.D., staff neurologist at the VA Ann Arbor He...
Water quality a major focus of $14 million grant to the University of Arizona
...d arsenic. SBRP scientists have already shown that exposure
to TCE may cause heart defects in newborn children. Now the researchers are determining exactly how TCE causes such damage, with the hope of preventing the damage to future generations. The scientists also are investigating how people of particular a...
How chronic exposure to tiny levels of carbon monoxide damages hearing in young ears
...GS: UCLA scientists have discovered how chronic exposure
to low levels of carbon monoxide (CO) damages the ...lting in permanent hearing loss. At the Ca/OSHA's exposure
limit of 0.0025 percent -- or 25 parts per million CO in the air -- the gas creates oxidative stress...
NRL develops self-cleaning 'smart' fabrics
... materials clean-up and/or disposal should a toxin exposure
occur, says NRL principal investigator, Dr. Alok Singh. Coatings that simply collect molecules or toxins from the environment do so selectively and over time can actually produce a hazardous substance during the self-degradation process. The resultan...
Study in Royal Society journal on heritability of female orgasm
...in human children and adolescents. In humans early exposure
to psychosocial stress may accelerate female repro...arly interest infants. This study shows that early exposure
to harsh and inconsistent maternal care is associated with greater interest in infants among rhesus ...
Phthalates found in infants treated in NICUs that use devices containing phthalates
... in urine and used as an indicator of the level of exposure
to DEHP. In laboratory animals, MEHP has been show...ther there are potential health risks of high DEHP exposure
in NICU babies." Both investigators note that although the use of these medical products is lifesav...
Device traps, disables harmful bacteria
...e that the health risks associated with bioaerosol exposure
are as low as practical."...
Study shows eutrophic lakes may not recover for a millennium
...s, which would make the lake unfit for swimming or exposure
to domestic animals and pets. "And the odor cannot be underestimated. Lake Mendota has a certain smell about it on some summer days now," Carpenter explains, "but we're going to smell a lot more of that." Steps that can be taken immediately, Carpen...
Gene controlling circadian rhythms linked to drug addiction, UT Southwestern researchers find
...ice under normal conditions and particularly after exposure
to cocaine." Dr. Eric Nestler, chairman of psychiatry at UT Southwestern and the study's senior author, said the results suggest there may be a link in disruption of circadian rhythms and the tendency to abuse drugs. "Most work on Clock has focused ...
Other highlights in the June 15 JNCI
...precursors, which may reflect their ongoing sexual exposure
to human papillomavirus (HPV), and which may expla...ng different methods of measuring an individual's exposure
to iron. Andrew T. Chan, M.D., M.P.H., of Massachusetts General Hospital in Boston, and colleagues u...
Maternal alcohol use increases the risk of newborn infections
... research on the damaging effects of fetal alcohol exposure
has been on the developing brain. A study in the ...remains unknown how even a small amount of alcohol exposure
can affect the newborn infant in terms of infection, particularly before or early in the pregnancy,"...
Nicotine triggers the same brain reward circuitry as opiates
...peated nicotine administration, but also following exposure
to an environment in which the animal has previously received nicotine." The researchers noted that clinical studies of opioid receptor blockers to relieve cigarette cravings "so far have produced mixed results, ranging from ineffectiveness at smokin...
Maryland's poor, African-American communities suffer disproportionate cancer risk from air pollution
... incur a disproportionate cancer risk from ambient exposure
to airborne toxins, according to researchers from ...essment of lifetime cancer risk, which is based on exposure
to 29 toxic air pollutants, is based on a nationwide inventory of sources and emissions and accounts...
Exposure to sunlight may decrease risk of prostate cancer
...h team from three cancer centers measured sunlight exposure
in men and found that increased exposure
to sunlight may decrease the risk of prostate cancer. Reporting in the June 15 issue of Cancer Resea...
Women, space travel and infection: Bed-rest study investigates female immune response
...ble causes for a compromised immune system include exposure
to radiation and the effects of microgravity. With current expeditions to the International Space Station for extended periods and future exploration missions to the moon and Mars, astronauts will be exposed to chronic radiation that could result in...
Tips from the Journals of the American Society for Microbiology
...ctive vaccine and act as a therapeutic agent after exposure
say researchers from Massachusetts and Germany. Their findings appear in the June 2005 issue of the journal Infection and Immunity. Anthrax is a highly contagious and toxic disease that results from infection with the bacterium Bacillus anthracis. ...
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