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Tag: "melatonin" at biology news

Mice brains shrink during winter, impairing some learning and memory

...e and his colleagues believe it may be the hormone melatonin which controls the changes in brain size and funct... white-footed mice. Scientists know that levels of melatonin are associated with seasonal changes in daylight. Melatonin is also found in humans, and that's one...

Travelers can avoid jet lag by resetting their body clocks

...- a single light box and the over-the-counter drug melatonin -- allows travelers to avoid jet lag by resetting ...xternal social environment. Both bright light and melatonin have successfully been used in laboratory and field settings to "phase advance" (resetting the circa...

New Research Shows Artificial Light at Night Stimulates Breast Cancer Growth in Laboratory Mice

...eeping and waking cycles. The new study shows that melatonin also plays a key role in the development of cancer.... “These results are due to a direct effect of the melatonin on the cancer cells,?said Blask. “The melatonin is clearly suppressing tumor development and growth....

Melatonin improves mood in winter depression

...ken in the afternoon. The Lewy team used afternoon melatonin to test if it was more antidepressant than melatonin taken in the morning, which causes phase delays. The researchers randomly assigned 68 SAD patients...

Keeping the body in sync -- The stability of cellular clocks

...ure, blood pressure, heart rate, concentrations of melatonin and glucocorticoids, urine production, acid secretion in the gastrointestinal tract, and changes in liver metabolism. In the tiny volume of the cell, however, the chemical environment is constantly fluctuating. How is it possible for all these cel...

To sleep, perchance to dream: New insight into melatonin production

...r. Kyong-Tai Kim (Pohang University) describes how melatonin production is coordinated with the body's natural ... basic physiological processes proceed). Normally, melatonin production is inhibited by light and enhanced by darkness, usually peaking in the middle of the nigh...

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(Date:7/25/2008)...ve turned ,green, can potentially contain a natura... pose a risk to public health according to a revie...I,s Journal of the Science of Food and Agricultur...ing away the ,green, affected area is enough to el...he paper also suggests that the levels of GA in po...
(Date:7/24/2008)... with a telescope promise to make it easier for pe...tivities requiring sharper distance vision. Schepe...advantages of these innovative glasses over earlie...issue of Journal of Biomedical Optics , mailed i... new design has several advantages," says the inve...
(Date:7/24/2008)...y 24, 2008 In the life of a cell, the response to...o pause and repair itself, commit suicide, or grow...ew study, published in the July 25th issue of Cel...identified a way that cells respond to DNA damage ...al. The finding points to a new pathway for the de...
(Date:7/24/2008)...ovel Structure Proteins (NSP), a new family of gen...te for Cancer Research and Molecular Medicine in T...gy, could be involved in apoptosis or programmed c...o by Nianli Sang, then a doctoral student at the U... Jefferson University and the Cardeza Foundation, ...
Breaking Biology News(10 mins):Telescope embedded in glasses lens promises to make driving easier for visually impaired 2Telescope embedded in glasses lens promises to make driving easier for visually impaired 3A new cellular pathway linked to cancer is identified by NYU researchers 2Novel structure proteins could play a role in apoptosis 2Oncothyreon initiates Phase 1 trial of PX 866 cancer compound 6042 1Oncothyreon initiates Phase 1 trial of PX 866 cancer compound 6042 2Oncothyreon initiates Phase 1 trial of PX 866 cancer compound 6042 3Oncothyreon initiates Phase 1 trial of PX 866 cancer compound 6042 4Genzyme Files Applications for Approval of Mozobil in the United States and Europe 6039 1Genzyme Files Applications for Approval of Mozobil in the United States and Europe 6039 2Genzyme Files Applications for Approval of Mozobil in the United States and Europe 6039 3Genzyme Files Applications for Approval of Mozobil in the United States and Europe 6039 4Genzyme Files Applications for Approval of Mozobil in the United States and Europe 6039 5Cephalon Announces Issuance of Patent for AMRIX 6036 1Cephalon Announces Issuance of Patent for AMRIX 6036 2Cephalon Announces Issuance of Patent for AMRIX 6036 3Nutrition 21 Introduces New Product 3A Iceland Health Skin Rejuvenation 28TM 29 22033 1Nutrition 21 Introduces New Product 3A Iceland Health Skin Rejuvenation 28TM 29 22033 2Nutrition 21 Introduces New Product 3A Iceland Health Skin Rejuvenation 28TM 29 22033 3
(Date:7/25/2008)...ON, July 25 /PRNewswire/ -- The Elekta Family of C... treatment solutions at the 2008,American Associat...g,demonstrating how the joint forces of Elekta, I... therapy planning and delivery solutions that,stre...perience for,patients, as well as enhance clinicia...
(Date:7/25/2008)...ds fluid back-up in esophagus can cause immune sys...ay News) -- The first evidence linking gastroesoph...scovered by Duke University Medical Center researc...ns was first noted in the 1970s, and since then st...rcent of asthma patients also experience GERD symp...
(Date:7/25/2008)... The Retina Group of New York will...ted macular degeneration especially designed for s...e Public Library at 116 Merritts Road, Farmingdale.... Attendance is free and refreshments will be prov...6) 939-6100. , Hicksville...
(Date:7/25/2008)... This donation will be used to fac...ve services for children , ... ( www.ivci.com ), a leading integrator of enterp...tion video conferencing, telepresence, audio visua...announced today that it has donated video conferen...
Breaking Medicine News(10 mins):Health News:Elekta Family of Companies to Highlight Cancer Treatment Solutions at 2008 AAPM Annual Meeting 2Health News:Elekta Family of Companies to Highlight Cancer Treatment Solutions at 2008 AAPM Annual Meeting 3Health News:People With GERD More Likely to Develop Asthma 2Health News:Retina Group of New York To Present Seminar on Age-Related Macular Degeneration; The Leading Cause of Visual Loss in Seniors 2Health News:Retina Group of New York To Present Seminar on Age-Related Macular Degeneration; The Leading Cause of Visual Loss in Seniors 3Health News:Mt. Sinai's Children's Trauma Institute Treatment and Service Adaptation Center Receives Video Conferencing Donation From IVCi 2
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