Genetic mutation causes cardiac conduction disease
...y tachyarrhythmias-irregular rapid heart rates-and sudden death."How a mutation in the sodium channel could ...rate, but not enough to cause tachyarrhythmias and sudden death." The findings open doors for research aimed at understanding much more common cardiac conduct...Polly wants a cracker - maybe a big mac, too
...an be 80 degrees one day and 20 degrees the next - sudden temperature changes can be harmful to pet birds. "If a bird such as a parrot has been in a warm kitchen for days and is suddenly placed out in a porch during a cold night, it might have some problems," Blue-McLendon says. "Birds need to be able to ...February media highlights: Geology and GSA today
...ion is common and could impact climate change by sudden release of methane, a quick-acting greenhouse gas. However, we used tracer hydrocarbons from vent gas and gas hydrate to show that gas hydrate at major deep-water sites in the Gulf of Mexico is stable. No evidence of meaningful gas hydrate decomposi...Researchers question drug for chronic fatigue syndrome
...pecial diagnostic table, most patients developed a sudden drop in blood pressure known as neurally mediated hypotension (NMH). Some study participants reported substantial relief in their lightheadedness and CFS symptoms when treated with a combination of an increase in dietary sodium chloride (table salt)...Studies may shed light on link between lack of neurons and SIDS
...onse capability, they say, possibly is a factor in sudden infant death syndrome, which each year claims the lives of 3,000 babies under a year old in the United States. "It is not fully understood why newborns, whether they are humans, rats, cats, dogs or whatever, do not have a maintained response to low o...Could bacterial infection be responsible for sudden infant death syndrome (SIDS)?
An association between sudden infant death syndrome and Helicobacter infection (...ic ulcers and heart disease may also be a cause of sudden unexpected death in babies (SIDS), suggests research in the Archives of Disease in Childhood. Sa...Hopkins scientists shed light on how the brain 'thinks'
...on the wall. By mathematically analyzing how these sudden changes affect the subsequent movements, the report infers the shape and size of the primitives used to construct the model of reality in the brain. "We think the shapes are related to the neural firing behavior of cells in the brain, the cerebellum...Estrogen therapy may help prevent memory decline in elderly women
...eir late thirties and early forties who suffered a sudden drop in circulating levels of estrogen after their ovaries and uterus had been surgically removed. "Women who were given a placebo after their surgery complained of not being able to remember things, of having to make lists, which they never needed t......eriod of time. However, once you have a clot, and sudden occlusion, the muscle dies. People can have occlusion at 25 percent blockage." Accumulating data support a link between moderate consumption of alcohol and a reduced incidence of and mortality due to CHD. Atherosclerosis, the accumulation o......s work; how language evolved; what led to the very sudden appearance of modern human beings; why race is an outdated concept; how can we account for altruism and aggression; why humans enjoy sex all year round; why women have orgasms; why many of us crave hot fudge sundaes; how religion and states evolved; ...New evidence indicates huge vegetation loss accompanied mass extinction
...land plants started to take over the Earth." The sudden reappearance of braided streams, probably on a global scale, 250 million years ago is strong evidence of a major catastrophe that wiped out plant life as well as much of animal life, Ward said. He noted that plant life emerged again relatively quickl...Extra oxygen improves survival odds for climbers on Mount Everest, K2
...Seattle and Rob Hall of New Zealand -- died when a sudden storm engulfed their parties. Both groups were using bottled oxygen. That incident, one of the deadliest days in the mountain's history, became the subject of several books. "The deaths of so many climbers during that storm raised the average death r...Recreational use of cocaine promotes blood clots
...sk. The risk of thrombosis, similar to the risk of sudden cardiac death, is real and may affect even the first time user of small quantities of the drug."......ed system that can predict a cardiac arrhythmia or sudden death up to eight hours prior to the onset of symp...ical mechanisms underlying cardiac arrhythmias and sudden death. When incorporated into a heart monitor or internal defibrillator, the system can provide ampl...Brain cell 'chorus' appears as attention increases
The sudden emergence of a brain cell "chorus" from the cacophony of normal brain cell activity may enable the brain to pay close attention to one item in a flood of incoming sensory information, according to a report in this week's "Nature." The report, based o...Complex mystery of amphibian decline calls for a new kind of science
...a and portions of Australia. Explanations for the sudden and drastic loss of a large class of animals have included habitat loss through human development, competition with or predation by introduced species, pollution and climate change. Unfortunately, even all these diverse factors cannot adequately expl...