Circadian Rhythms Current Events | Circadian Rhythms News | 8
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Case closed: MIT gumshoes solve
Hey kids! Try this at home. Pour clean water onto a small plate. Wait for all the ripples to stop. view more (2007-07-18)
You are less likely to survive a heart attack in winter than in summer
Almost 11,000 people who had suffered a heart attack between 1988 and 1997 were compared. Those whose attacks occurred in the winter tended to have a higher risk profile, in that they were older, more likely to be at home when the attack occurred, and less likely to be defibrillatedgiven an electrical current to stop abnormal heart rhythms.... view more... (1999-11-25)
SEX4, starch and phosphorylation
Energy from the sun and carbon dioxide fuel photosynthesis in plants and algae, making life on earth possible. Carbon that is fixed by plants is converted to starch and sucrose, which are utilized by plants for energy and to build biomass. view more (2008-06-26)
UC Davis researchers move biotechnology closer to replacing electronic pacemakers
UC Davis researchers have successfully used a custom designed protein and gene delivery system to restore normal heart rhythms in pigs with electronic pacemakers, reducing their dependence on implanted devices. view more (2006-08-23)
Bumble bees can estimate time intervals
In a finding that broadens our understanding of time perception in the animal kingdom, researchers have discovered that an insect pollinator, the bumble bee, can estimate the duration of time intervals. view more (2006-08-22)
Heart enlargement is a common cause of sudden death in young people (p 1881)
A seminar in this week's issue of THE LANCET highlights the frequency, diagnosis and management of hypertrophic cardiomyopathy, an unexplained thickening of the heart in young adults that has a 1% annual risk of sudden death. Dr. Perry Elliott from University College, London, UK and Professor William McKenna from The Heart Hospital, London state... view more... (2004-06-02)
Increase in abnormal heart rhythms in shift workers
Shiftwork increases the risk of abnormal heart rhythms, shows research in Occupational and Environmental Medicine. These changes may help to explain why shiftworkers are susceptible to heart disease. Doctors measured changes in heartbeat and variations in heart rate in 49 employees working shifts, including nights, and 22 employees working normal... view more... (2001-09-07)
Engineered heart tissue offers insights into irregular heartbeats, defibrillator failure
Engineers who have induced heart cells in culture to mimic the properties of the heart have used the tissue to gain new insight into the mechanisms that spawn irregular heart rhythms. view more (2006-02-06)
Melatonin Most Effective For Sleep When Taken For Off-Hour Sleeping
Researchers from the Divisions of Sleep Medicine at Brigham and Women's Hospital and Harvard Medical School have found in a double-blind placebo-controlled clinical study, that melatonin, taken orally during non-typical sleep times, significantly improves an individual's ability to sleep. view more (2006-05-01)
Sudden death from stress linked to wonky signals in the brain
Sudden cardiac death from emotional stress may be triggered by uneven signals from the brain to the heart, according to a study by University College London (UCL) scientists published in the January issue of Brain. view more (2004-12-23)
MIT: Making waves in the brain
Scientists have studied high-frequency brain waves, known as gamma oscillations, for more than 50 years, believing them crucial to consciousness, attention, learning and memory. view more (2009-04-27)
School-based intervention is a promising model for improving adolescent sleep habits
A study in the March 1 issue of the journal SLEEP shows that a school-based sleep intervention is a promising model for addressing adolescent sleep problems, given its high retention rate, cost-effectiveness and potential for promoting healthy sleep knowledge and practice. view more (2009-03-02)
Press release from Nature and the Nature Research Journals dated 7 September
NATURE (http://www.nature.com/nature) [1] Uric acid signals danger DOI: 10.1038/nature01991 (http://dx.doi.org/10.1038/nature01991) Uric acid may signal the immune system to warn it of impending danger, according to a paper published online by Nature this week. The research provides a molecular link between cell injury and immunity, and may have... view more... (2003-09-08)
Downsizing Of Personnel And Reorganization Induce Physiological Changes.
Downsizing of personnel and the ensuing reorganization are getting more and more in Europe. But they may affect your health. This is the message which comes from a study of the Institute of Psychosocial Factors of Health of Stockholm. The objective of this study was to assess potential physiological changes associated with... view more... (2002-03-19)
THE LANCET Neurology PRESS RELEASE
ISSUE: AUGUST 2002 FOR IMMEDIATE RELEASE view more (2002-07-17)
Study Emphasizes Importance of Women in Cardiac Research
A recent trial, published in the Journal of Cardiovascular Electrophysiology, shows that women with abnormal heart rhythms benefit from implantable cardioverter defibrillators (ICDs) as much as men, stressing the importance of including females in future research. Previous studies have raised the concern of possible gender bias, in favor of men,... view more... (2004-11-18)
High-energy clamp simplifies heart surgery for atrial fibrillation
Heart surgeons at Washington University School of Medicine in St. Louis have helped usher in a new era in the surgical treatment of atrial fibrillation. view more (2006-10-11)
Hormone irregularities linked to chronic migraine
Hormonal irregularities may explain why migraine becomes chronic, shows research in the Journal of Neurology Neurosurgery and Psychiatry. Around 3 per cent of the population are chronic migraineurs, suffering pounding headaches for around 15 days a month. Hourly blood samples were taken from 17 chronic migraine sufferers, three of whom were men.... view more... (2001-11-23)
New medication brings hope of jet lag cure
A team of researchers from Monash University, The Brigham and Women's Hospital (Boston), Harvard Medical School and Vanda Pharmaceuticals has found a new drug with the potential to alleviate jet lag and sleep disorders caused by shift work. view more (2008-12-02)
Heart derived stem cells develop into heart muscle
Dutch researchers at University Medical Center Utrecht and the Hubrecht Institute have succeeded in growing large numbers of stem cells from adult human hearts into new heart muscle cells. view more (2008-04-24)
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