Early detection device for exposure to chemical warfare agents being developed
...y drive center which makes you breathe while you sleep goes into spasm. On top on that, you are going to have copious secretions because the cholinergic system (key to the nerve-muscle interaction that enables breathing) also is involved in secretions and sweating. So you drown in your own secretions, ...Influence of gender on upper airway structure and function during obstructive sleep apnea
...as been compared between subjects with and without sleep apnea, there have been no reports on differences i...e hypothesis that (1) pharyngeal resistance during sleep would be larger in men and (2) Pcrit would be higher (i.e., the airway would be more susceptible to ......lled an all-nighter knows by the next morning that sleep is essential, and sleeps status as a behavior foun...still know little, on a molecular level, about why sleep is needed and the exact benefits conferred by a daily period of rest. The Penn researchers say that...Mom was wrong, UCLA/VA researcher concludes sleep not essential for learning
Following popular advice to sleep rather than study is unlikely to help a student ac...m, according to conclusions in a new review of REM sleep studies. REM (rapid eye movement) sleep, or dreaming, plays little role in memory formation, ac...Gene that prevents tumor growth also carries messages from circadian clock
... suffering from neurofibromatosis also suffer from sleep disturbances. But this is the first time someone has definitively linked Nf1 to the circadian system, said Julie Williams, PhD, first author of the study by scientists at the University of Pennsylvania School of Medicine. Their finding, to be publish...New pathway to understanding circadian rhythms
...ls, the brain's internal circadian clock regulates sleep and wake cycles, as well as body temperature, bloo...ome patients with neurofibromatosis type 1 develop sleep disorders. Nf1 is a tumor suppressor gene, and patients with a non-functioning, mutant Nf1 gene exhi...Parasite offers natural way to control leaf-eating slugs
...o wherever the nocturnal slugs sleep during the day - under a piece of mulch, for instance. Once all the slugs were dead, the worms would die off as well, Grewal said. Larval worms of this species infect slugs and snails by b...UCLA neurobiologists identify brain cells that control breathing
...hes to addressing serious health problems, such as sleep apnea and sudden infant death syndrome. In a previous study, the UCLA team had pinpointed a specific region of brain tissue called the preBotzinger Complex as the command post for controlling breathing in mammals. Now, within the region, they disting...Sleepless aged rats show biological clock problems
...s getting a good nights sleep. Often, the elderly sleep fitfully through the night only to be overcome by drowsiness during the day and nodding off then. A general feeling of tiredness and irritability goes hand-in-hand with this condition. Now a biologist at Washington University in St. Louis and collea...Banning animals from the bedroom could reduce Chagas Disease risk, say Science researchers
...mans, chickens, and dogs in the study villages all sleep indoors during the spring, with the chickens kept inside to prevent theft or predation. Since chickens provide most of the blood meals for the bugs, the indoor bug population begins to grow in the spring, and reaches its peak in the summer. Although...Cardiovascular system holds a key to circadian clock
...e circadian rhythms that control body temperature, sleep and wakefulness ,pain sensitivity, and the response to drugs. "We know that the responseto certain drugs used in the treatment of cancer vary substantially depending on the time of day that they are administered," said GarretFitzGerald, MD, chai...Sleep in early life may play crucial role in brain development
...sco researchers are reporting direct evidence that sleep in early life may play a crucial role in brain dev...ry in the April 26 issue of Neuron, indicates that sleep dramatically enhances changes in brain connections during a critical period of visual development in...Northwestern receives $17 million for functional genomics research
... Alzheimers disease and addiction to blindness and sleep disorders. "The timing of this project is perfect," said center director Joseph S. Takahashi, who cloned the first mammalian circadian gene, Clock, in 1997. "Our work will be very complementary and synergistic with the information being produced by t...Why missing out on a good night's sleep could give you ulcers
...e 2001; 48: 648-55 Missing out on a good night's sleep through long haul travel, shift work, or partying could increase the risk of ulcers. Research in Gut shows that levels of a chemical, produced by the stomach and small intestine to repair tissue damage, are highest at night, and are suppressed after ...Sleeping dogs lend a paw to narcoleptics
...helping scientists understand human narcolepsy and sleep control. In the April issue of Genome Research, Emmanuel Mignot and colleagues from Stanford University Medical Center shed light on the brain defects that lead to canine narcolepsy. Previous studies suggest varying causes for narcolepsy in humans a...Humans at work and play in high altitude environments
...s a major consequence of lung and heart disease or sleep disorders, as well as for individuals who play or ...The high altitude exposure has impaired the miners sleep quality, mental performance, productivity and general well-being. Another AAAS presenter on Feb. 1...Researchers question drug for chronic fatigue syndrome
... include difficulty with memory and concentration, sleep disturbance, muscle aches, and headaches. The causes of CFS are not known. Treatment is aimed at relieving individual symptoms. No medication has been found effective in treating the disorder as a whole....First-ever complete plant genome sequence is announced
... genes that dictate when the weed will bud, bloom, sleep or seed. Those functional genes have their counterparts in plants with much larger genomes, such as wheat, corn, rice, cotton and soybean. Unlike the human genome, Arabidopsis has few "junk" DNA sequences that contain no genes. The plant is...In a study that suggests that sleep plays a central role in the learning process, Univ...olved in song generation precisely recreate during sleep the complex activities involved in singing, though no sound is produced. "From our data we suspect......ons of breathing, circulation, blood formation and sleep is now on the horizon. Taking advantage of new tec... center for mouse models of heart, lung, blood and sleep disorders. The center has two key goals: (1) developing new models and databases for biomedical res...