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Current Melatonin News and Events, Melatonin News Articles.
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The key to a better mood for young men is a nut
College can be a stressful time for young adults as they figure out how to manage intense daily routines that include work, study and play. Eat well, exercise and get plenty of sleep is a familiar mantra to alleviate this stress, but now with the results of his latest study, UNM Nutrition Professor Peter Pribis is able to tell college students that walnuts could be a key to a happier state-of-mind. (2016-11-18)

New hope given to women struggling to conceive
Southampton researchers have found new insight into why some women have difficulty falling pregnant. (2016-11-15)

Genetic cause for shift work fatigue discovered
Some people adapt easily to shift work, but not everyone can handle constant disruptions to their daily rhythm. Finnish researchers have now found that a melatonin receptor gene influences tolerance to shift work. (2016-11-04)

Feeling the rhythm
The Circadian Rhythms investigation examines whether long-term spaceflight throws off circadian rhythm in astronauts and the role of factors such as irregular light and dark cycles, microgravity induced changes in body composition, and reduced physical activity. (2016-10-26)

Jetlag is given the swerve by adjusting meal times on the ground, find researchers
Long-haul cabin crew can ease symptoms of jetlag by regulating meal times on their days off. Traditionally cabin crew rely on sleep strategies (sleeping in a dark room, avoiding caffeine before bedtime, etc.) to alleviate jetlag, but these do not reset body clocks. More research could be done into whether the timing of meals and their content has a similar positive effect on jetlag. (2016-10-05)

Why midshipman fish only hum at night
If you think that fish can't sing, then you've probably never come into contact with a midshipman fish. When it's time to breed, male midshipman hum repetitively at night as they attempt to woo females into their nests for spawning. Now, researchers reporting in the Cell Press journal Current Biology on Sept. 22 have new evidence to explain what keeps those fish quiet through the day and singing all night. (2016-10-03)

Melatonin boost a key to fighting breast cancer
Melatonin, a hormone produced in the human brain, appears to suppress the growth of breast cancer tumors. Researchers at Michigan State University published this finding in the current issue of Genes and Cancer. While treatments based on this key discovery are still years away, the results give scientists a key foundation on which to build future research. (2016-08-23)

Animal hormone is involved in plant stress memory
Regulating melatonin production in plants via drought priming could be a promising approach to enhancing abiotic stress tolerance of crops in future climate scenarios. The findings have just been published by Journal of Pineal Research. (2016-06-17)

Sleep hormone helps breast cancer drug kill more cancer cells
Tiny bubbles filled with the sleep hormone melatonin can make breast cancer treatment more effective, which means people need a lower dose, giving them less severe side effects. In a new study published in Colloids and Surfaces B: Biointerfaces, researchers show that the bubbles, called nanostructured lipid carriers, made tamoxifen stronger and help it kill cancer cells. (2016-06-14)

Study links late sleep timing to poorer diet quality and lower physical activity
A new study suggests that among healthy adults with a habitual sleep duration of at least 6.5 hours, late sleep timing was associated with higher fast food consumption and lower vegetable intake, particularly among men, as well as lower physical activity. (2016-06-08)

Melatonin reduces blood pressure and tunes up disrupted circadian rhythms in the elderly
Increased blood pressure and reduced robustness of circadian rhythms are frequently reported in elderly subjects. The present study was aimed to investigate whether such changes can be reversed by daily melatonin ingestion. (2016-05-17)

New findings explain the connection between melatonin and type 2 diabetes
A new experimental and clinical study from Lund University in Sweden shows that the sleep hormone melatonin impairs insulin secretion in people with a common gene variant. 'This could explain why the risk of type 2 diabetes is greater among, for instance, overnight workers or people with sleeping disorders,' says Professor Hindrik Mulder who is responsible for the study. (2016-05-13)

Melatonin signaling is a risk factor for type 2 diabetes
A sleeping pancreas releases less insulin, but how much insulin drops each night may differ from person to person, suggests a study published May 12 in Cell Metabolism. Up to 30 percent of the population may be predisposed to have a pancreas that's more sensitive to the insulin-inhibiting effects of melatonin. People with this increased sensitivity carry a slightly altered melatonin receptor gene that is a known risk factor for type 2 diabetes. (2016-05-12)

Study: Homeschooled kids sleep more than others
In the first study of its kind published in the journal Behavioral Sleep Medicine, researchers have determined that teens who are homeschooled benefit from healthier sleep habits than those who go to most private and public schools. The findings provide additional evidence of teens' altered biological clocks and support an argument for starting traditional high school later in the morning. (2016-03-02)

Research shows that pedestrians feel safer in streets illuminated with white light
This research, carried out by the University of Granada and published in Safety Science magazine, has analyzed the pedestrians' perceived safety and well-being when walking by streets with particular illumination types and levels. (2016-02-01)

Texting at night affects teens' sleep, academic performance
The study, published in the Journal of Child Neurology, is the first of its kind to link nighttime instant messaging habits of American teenagers to sleep health and school performance. (2016-01-26)

Space sleep study to shed light on aging
The University of Surrey is participating in a project organised by the European Space Agency during which teams of European scientists will look at the effect of bed rest on the human body using a continuous bed rest protocol to simulate the effects of micro gravity in space. (2015-12-02)

IU study: Short winter days trigger aggression hormones differently based on sex
Indiana University researchers have discovered a hormonal mechanism in hamsters that connects short winter days with increased aggression in females, and that it differs from the mechanism that controls this same response in males. (2015-11-18)

Using human genetics to reveal fundamental processes involved in type 2 diabetes
Researchers at Oxford and Liverpool universities have identified genetic markers that could be used to understand people's risk of developing type 2 diabetes. They focused on 39 areas of the genome, identifying specific DNA sequence changes most likely involved in mediating that risk. (2015-11-09)

Lack of sleep, body clock disruption leads to impaired insulin sensitivity says CU study
A new study by the University of Colorado shows that the longer people are awake during the time their biological clock is telling them to sleep the worse their sensitivity to insulin, which is a precursor to diabetes. (2015-11-05)

Lack of sleep may increase risk for diabetes, say CU Anschutz, CU-Boulder researchers
A lack of sufficient sleep reduces the body's sensitivity to insulin, impairing the ability to regulate blood sugar and increasing the risk of diabetes, according to researchers from the University of Colorado Anschutz Medical Campus and the University of Colorado Boulder. (2015-11-05)

New clinical guideline to help clinicians treat circadian rhythm sleep-wake disorders
A new clinical practice guideline published by the American Academy of Sleep Medicine provides clinicians with updated recommendations for the treatment of intrinsic circadian rhythm sleep-wake disorders. (2015-10-14)

Melatonin and mealtime: Common genetic difference could put some at greater risk of diabetes
Researchers from Brigham and Women's Hospital and the University of Murcia, Spain, have shed new light on why people who carry a common genetic mutation may be more at risk for developing type 2 diabetes. By carefully studying healthy subjects, researchers were able to chart the effect of melatonin supplements on blood sugar control. Their results, reported in Metabolism, suggest that taking melatonin close to mealtimes may put people with a common genetic variant more at risk. (2015-10-06)

CU-Boulder study shows caffeine at night delays human circadian clock
A new study led by the University of Colorado Boulder and the Medical Research Council's Laboratory of Molecular Biology in Cambridge, England shows for the first time that evening caffeine delays the internal circadian clock that tells us when to get ready for sleep and when to prepare to wake up. (2015-09-16)

Melatonin explains the mystery of seasonal multiple sclerosis flare-ups
Seasonal flare-ups in patients with multiple sclerosis are caused by plummeting levels of melatonin in the spring and summer, according to research published Sept. 10 in Cell. The study reveals that relapses in patients with this autoimmune disorder are much less frequent in the fall and winter, when levels of the so-called darkness hormone are at their highest, but the reverse is true in the spring and summer seasons. (2015-09-10)

Melatonin and multiple sclerosis: Why MS symptoms may improve as the days get shorter
Researchers from the Ann Romney Center for Neurologic Diseases at Brigham and Women's Hospital and their collaborators have found an explanation that could lead to a deeper understanding of multiple sclerosis and more targeted treatment options for patients. By first looking broadly at possible environmental factors and then deeply at preclinical models of MS, the research team found that melatonin -- a hormone involved in regulating a person's sleep-wake cycle -- may influence MS disease activity. (2015-09-10)

Bright screens at night imperil sleep of young teens
A new study looked at the effect of light exposure at night -- like that from phones or tablets -- on the biology of teen sleep. The researchers found that children in early to middle puberty were especially vulnerable to suppression of a hormone key to sleep timing. (2015-08-26)

Mouse model tests health risks of circadian disturbances
People who work outside of the normal 9-5 schedule or experience frequent jet lag have been found to be at an increased risk for everything from weight gain to cancer, but there are too many variables involved to conduct multi-decade, controlled studies in humans to confirm whether sleep pattern disruption is a correlation or the cause. In Current Biology, researchers present the next best thing: a model that subjects mice to human-relevant circadian rhythm disturbances. (2015-07-20)

Researchers correlate rheumatoid arthritis and giant cell arteritis with solar cycles
A rare collaboration of physicists and medical researchers finds a correlation between rheumatoid arthritis and giant cell arteritis and solar cycles. (2015-06-15)

Bright light after night shift may enhance alertness and cognitive performance
A new study suggests that bright light at the end of a night shift may have potential as a countermeasure to improve driving performance, particularly for low light work environments and commutes that occur before dawn. (2015-06-11)

Locating the brain's SAD center
Vanderbilt biologists have localized the seasonal light cycle effects that drive seasonal affective disorder to a small region of the brain called the dorsal raphe nucleus. (2015-05-07)

Is too much artificial light at night making us sick?
Modern life, with its preponderance of inadequate exposure to natural light during the day and overexposure to artificial light at night, is not conducive to the body's natural sleep/wake cycle. UConn Health cancer epidemiologist Richard Stevens and co-author Yong Zhu from Yale University suggest such overexposure has possible ties to cancer, obesity, diabetes, and other health issues in an article published in the British journal Philosophical Transactions of the Royal Society B. (2015-03-18)

Melatonin can help you get a good night's sleep in a noisy environment
Using melatonin could provide more and better quality sleep compared to using an eye mask and earplugs in a simulated noisy and illuminated environment, according to research published in open-access journal Critical Care. This study was carried out on healthy subjects but could have future implications for intensive care unit patients. (2015-03-18)

Feeling sleepy? Might be the melatonin
Melatonin supplements are commonly used as sleep aids; however, our bodies also make melatonin naturally, and until a recent Caltech study using zebrafish, no one knew how -- or even if -- this melatonin contributed to our natural sleep. The new work suggests that even in the absence of a supplement, naturally occurring melatonin may help us fall and stay asleep. (2015-03-06)

Warning on use of drug for children's sleep
Sleep researchers at the University of Adelaide are warning doctors and parents not to provide the drug melatonin to children to help control their sleep problems. (2015-02-25)

Nationwide study reports shifts in Americans' use of natural products
A nationally representative survey shows that natural product use in the United States has shifted since 2007, with some products becoming more popular and some falling out of favor. Overall, natural products (dietary supplements other than vitamins and minerals) remain the most common complementary health approach. The complementary health questionnaire was developed by NIH's National Center for Complementary and Integrative Health and the Centers for Disease Control and Prevention's National Center for Health Statistics. (2015-02-11)

FASEB Science Research Conference: Melatonin Biology: Actions and Therapeutics
The 2015 FASEB Science Research Conference Melatonin Biology: Actions and Therapeutics will focus on the role of melatonin and its analogues as potential drugs in the treatment of sleep and circadian disorders, insomnia, cancer, immune dysfunction, inflammatory processes, and neurodegenerative disease. (2015-01-26)

Light-emitting e-readers detrimentally shift circadian clock
You may think your e-reader is helping you get to sleep at night, but it might actually be harming your quality of sleep, according to researchers. (2014-12-22)

Light-emitting e-readers before bedtime can adversely impact sleep
Use of a light-emitting electronic device (LE-eBook) in the hours before bedtime can adversely impact overall health, alertness, and the circadian clock which synchronizes the daily rhythm of sleep to external environmental time cues, according to researchers at Brigham and Women's Hospital who compared the biological effects of reading an LE-eBook compared to a printed book. (2014-12-22)

Biological clock disruptions increase breast cancer risk, UGA study finds
The disruption of a person's circadian rhythm -- their 24-hour biological clock -- has been linked to an increased risk of breast cancer, according to new University of Georgia research. The culprit, in this study in particular, is artificial light. 'Exposure to artificial light leads to a significantly higher risk for developing breast cancer,' said Chunla He, a biostatistics graduate student in the UGA College of Public Health. (2014-10-17)

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