News tagged with light exposure


Daysimeter

New approach sheds light on ways Circadian disruption affects human health

Medicine & Health / Health

created Jul 16, 2008 | popularity 3.1 / 5 (7) | comments 1

Growing evidence indicates that exposure to irregular patterns of light and darkness can cause the human circadian system to fall out of synchrony with the 24-hour solar day, negatively affecting human health ...





Search results for light exposure


Study redefines placebo effect as part of effective treatment

Medicine & Health / Psychology & Psychiatry

created Dec 22, 2009 | popularity not rated yet | comments 0

Researchers used the placebo effect to successfully treat psoriasis patients with one quarter to one half of their usual dose of a widely used steroid medication, according to an early study published online today in the ...


Genomes of identical twins reveal epigenetic changes that may play role in lupus

Medicine & Health / Genetics

created Dec 21, 2009 | popularity 5 / 5 (2) | comments 0

Identical twins look the same and are nearly genetically identical, but environmental factors and the resulting cellular changes could cause disease in one sibling and not the other. In a study published online in Genome Re ...


Bioengineered materials promote the growth of functional vasculature, new study shows

Bioengineered materials promote the growth of functional vasculature, new study shows

Medicine & Health / Research

created Dec 21, 2009 | popularity 4.7 / 5 (3) | comments 1

Regenerative medicine therapies often require the growth of functional, stable blood vessels at the site of an injury. Using synthetic polymers called hydrogels, researchers at the Georgia Institute of Technology ...


Lung cancer and melanoma laid bare: First comprehensive analysis of two cancer genomes

Medicine & Health / Cancer

created Dec 16, 2009 | popularity 5 / 5 (4) | comments 0

Research teams led by the Wellcome Trust Sanger Institute announce the first comprehensive analyses of cancer genomes. All cancers are caused by mutations in the DNA of cancer cells which are acquired during a person's lifetime. ...


Caltech scientists film photons with electrons

Caltech scientists film photons with electrons

Physics / General Physics

created Dec 16, 2009 | popularity 4.9 / 5 (21) | comments 0

(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...


Home-based child care meeting nutritional standards; widespread use of TV a concern

Medicine & Health / Health

created Dec 15, 2009 | popularity not rated yet | comments 0

A large study of family child care providers shows that while nutrition standards are often met, most children ages 2 to 5 are not getting enough physical activity and are exposed to the television for most of the day.


Rare earth metal enhances phosphate glass

Physics / Condensed Matter

created Dec 15, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make glasses that block ultraviolet light and have increased radiation damage resistance while remaining colorless, ...


Parents: Be mindful of hazardous holiday ornaments

Parents: Be mindful of hazardous holiday ornaments

Medicine & Health / Health

created Dec 14, 2009 | popularity not rated yet | comments 0

A new study from Children's Hospital Boston's Division of Emergency Medicine has found that holiday decorations, particularly glass ornaments, are one more safety hazard parents must consider during the season. ...


Computing with a wave of the hand

Computing with a wave of the hand (w/ Video)

Technology / Hi Tech

created Dec 11, 2009 | popularity 4.9 / 5 (14) | comments 7

(PhysOrg.com) -- The iPhone’s familiar touch screen display uses capacitive sensing, where the proximity of a finger disrupts the electrical connection between sensors in the screen. A competing approach, ...


Hubble's deepest view of universe unveils never-before-seen galaxies

Hubble's Deepest View of Universe Unveils Never-Before-Seen Galaxies (w/ Video)

Space & Earth / Astronomy

created Dec 08, 2009 | popularity 4.7 / 5 (49) | comments 33

(PhysOrg.com) -- In 2004, Hubble created the Hubble Ultra Deep Field (HUDF), the deepest visible-light image of the Universe, and now, with its brand-new camera, Hubble is seeing even farther. This image was ...



List of search results for light exposure