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Light-induced hormone surge points to benefits of light therapy
A report in the November Cell Metabolism reveals powerful effects of light on the adrenal glands, a finding that might explain the broad benefits of bright light therapy for a variety of conditions, including sleep and depressive disorders, according to researchers.   view more (2005-11-09)

Exposure to sunlight could reduce asthma
Australian researchers have found that exposure to measured doses of ultraviolet light, such as sunlight, could reduce asthma.   view more (2006-10-26)

Small study points to addictive effects of frequent tanning
Frequent users of tanning beds may be getting more out of the experience than darker skin, according to researchers from Wake Forest University Baptist Medical Center.   view more (2006-03-29)

New sunscreen ingredient to heal sunburn and help prevent skin cancer
People who suffer from sunburn could soon benefit from a new sunscreen ingredient that actively repairs sunburnt skin and helps prevent the onset of skin cancer.   view more (2006-09-08)

Wildlife researchers identify impacts of contamination in amphibians
Bill Hopkins, fisheries and wildlife associate professor in Virginia Tech's College of Natural Resources, and colleagues doing research at the Savannah River Ecology Laboratory and in the field, have demonstrated that amphibians are exposed to contaminants through maternal transfer, as has been... view more (2006-02-22)

Daytime light exposure dynamically enhances brain responses
Exposure to light is known to enhance both alertness and performance in humans, but little is understood regarding the neurological basis for these effects, especially those associated with daytime light exposure.   view more (2006-08-22)

One hit of crystal meth causes birth defects: U of T study
A single prenatal dose of methamphetamine - commonly known as speed - may be enough to cause long-term neurodevelopmental problems in babies, say University of Toronto researchers.   view more (2005-07-27)

Sunscreens can damage skin, researchers find
Are sunscreens always beneficial, or can they be detrimental to users? A research team led by UC Riverside chemists reports that unless people out in the sun apply sunscreen often, the sunscreen itself can become harmful to the skin.   view more (2006-08-29)

New risk analysis study shows school soft drink consumption has no impact on adolescent obesity
A first-of-its-kind peer-reviewed study applying risk analysis methodology to nutrition policy shows that consumption of carbonated soft drinks from school vending machines has virtually no impact on adolescent obesity.   view more (2005-10-19)

Research links 'ecstasy' to survival of key movement-related cells in brain
New research from the University of Cincinnati (UC) suggests that the widely abused club drug "ecstasy," or MDMA, can increase the survival of dopamine cells in the brain during fetal development.   view more (2006-10-19)

Gene therapy may protect normal tissues during radiation retreatment for lung cancer
Gene therapy could be used as an agent to protect normal tissues, including the esophagus and lung, from damage during a second administration of radiation therapy for non-small cell lung cancer.   view more (2005-10-17)

Root Beer May Be "Safest" Soft Drink for Teeth
Exposing teeth to soft drinks, even for a short period of time, causes dental erosion—and prolonged exposure can lead to significant enamel loss. Root beer products, however, are non-carbonated and do not contain the acids that harm teeth.   view more (2007-03-21)

Fetal brain imaging
A modified technique that uses the eyes as the line of reference means a 50 percent reduction in the time necessary to take MRI images of the fetal brain.   view more (2005-10-03)

MRI rules out acute appendicitis in pregnancy
Magnetic resonance imaging (MRI) can help rule out acute appendicitis in pregnancy when ultrasound findings are inconclusive, according to a study in the March issue of Radiology.   view more (2006-02-28)

Nicotine exposure during development leads to hearing problems
Scientists know that children of women who smoke during pregnancy can develop hearing-related cognitive deficits. For the first time, researchers believe they have evidence that not only implicates nicotine as the culprit, but also shows what the substance does to the brain to cause these deficits.   view more (2006-07-19)

Study Shows How Secondhand Smoke Injures Babies' Lungs
UC Davis researchers today described in unprecedented biochemical and anatomical detail how cigarette smoke damages the lungs of unborn and newborn children.   view more (2006-08-17)

Secondhand smoke increases teen test failure
Teens exposed to secondhand smoke at home are at increased risk of test failure in school, suggests a new study in the Journal of Adolescent Health.   view more (2007-09-20)

Breast-feeding still best despite environmental chemicals in human milk
The presence of environmental chemicals in human milk does not necessarily indicate health risks for infants, according to researchers.   view more (2005-09-26)

Prenatal nicotine exposure reduces breathing response of newborns
Exposure to nicotine the equivalent of smoking two packs of cigarets a day produced complicated, abnormal breathing development during the first 18 days of newborn rats, University of Arizona researchers report.   view more (2006-04-06)

Light-sensitive particles change chemistry at the flick of a switch
A light-sensitive, self-assembled monolayer that provides unique control over particle interactions has been developed by scientists at the University of Illinois at Urbana-Champaign.   view more (2006-03-27)

Solvent exposure linked to birth defects in babies of male painters
Men who paint for a living may be placing their unborn children at increased risk of birth defects and low birth weight.   view more (2006-09-28)

Researchers discover how acid reflux leads to esophageal cancer
A particular enzyme is significantly higher in cancer cells that have been exposed to acid, leading to the overproduction of hydrogen peroxide, and offering a possible explanation for how acid reflux may lead to cancer of the esophagus, according to a recent study in the Journal of Biological... view more (2006-08-17)

Hopkins researchers develop new quick tool to sort out insect bites in children
Children afflicted with insect-bite rashes are often misdiagnosed or referred for extensive and costly tests, but a new, easy-to-remember set of guidelines developed at the Johns Hopkins Children's Center should help.   view more (2006-06-29)

Oxygen deprived brains repaired and saved
Scientists from Melbourne's Howard Florey Institute have found special proteins that protect the brain after it has been damaged by a lack of oxygen, which occurs in conditions such as stroke, perinatal asphyxia, near-drowning and traumatic brain injury.   view more (2006-08-25)

'Red tide toxins' leave beachgoers breathless
The ecological phenomenon, known as Florida red tide, can be harmful for people with asthma. Florida red tides, an annual event in areas along the Gulf of Mexico, are blooms of the ocean organism, Karenia brevis (K brevis), that are concentrated along shorelines and produce highly potent... view more (2007-01-09)
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