Cooling the body for heart surgery causes an overproduction of the neurotransmitter glutamate, an excitatory amino acid, and can leave the nervous system vulnerable to damage from the start of the cooling process until up to eight hours after recovery, a Johns Hopkins animal study suggests. This contradicts previous theories that brain damage occurred only during the initial recovery period.
Emory University surgeons split a donated cadaveric liver into two portions, providing and adult and child with part of the same organ.
Simultaneously giving AIDS patients the antiviral ganciclovir via pill as well as in a tiny pellet implanted in the eye delays or prevents complications of CMV, reports Dan Martin, MD, of Emory Unviversity.
The standard X-ray exam has changed very little over the past several decades. However, digital technology currently being studied at the Cleveland Clinic could revolutionize general radiographic X-ray procedures -- making them more convenient for both the patient and the doctor, producing sharper images, eliminating storage concerns, and allowing the images to be transmitted hundreds of miles away within seconds.
A global climate change policy that includes stringent carbon emission reductions could harm the economic well-being of Wyoming's coal industry, according to a University of Wyoming professor who recently completed a term on the President's Council of Economic Advisers.
It looks like El NiÃ’o, it feels like El NiÃ’o, and if you are watching fish stocks or reservoir levels you would say it is El NiÃ’o. But it isn't. Researchers at the University of Washington are describing a decades-long climate shift, called the Pacific Decadal Oscillation, that seems to explain many of the changing environmental patterns seen across North America since the late 1970s, from disappearing salmon along the West Coast to wetter than average winters in the South.
Even people who have had a stroke don't always know the signs, symptoms and risk factors relating to their "brain attack", according to a study in today's Stroke, a journal of the American Heart Association.
If your blood levels of "good" cholesterol are low and you already have heart disease, you may be at increased risk of having a stroke, according to a report published today in the American Heart Association journal Stroke.
For the first time, researchers say they have proof that people who have suffered a stroke have a better chance of long-term survival if they are treated in a hospital "stroke unit."
Improved techniques in hair restoration surgery have dramatically improved aesthetic results, and an increased number of patients are satisfied with the procedure, according to results from a survey to be presented at the annual meeting of the International Society of Hair Restoration Surgery (ISHRS) in Barcelona, Spain, October 15-19.
New developments combining cutting-edge technology with familiar laser techniques increases effectiveness in hair restoration surgery. The carbon dioxide laser in combination with a computerized pattern generator offers a more effective method of creating recipient sites for hair grafts, according to research to be presented at the annual meeting of the International Society of Hair Restoration Surgery (ISHRS) in Barcelona, Spain, October 15-19.
People of Asian descent, black people, and females may require different surgical techniques for hair restoration than the typical standards used for Caucasian males, according to a clinical study to be presented at the annual meeting of the International Society of Hair Restoration Surgery (ISHRS) in Barcelona, Spain, October 15-19. Hair restoration specialists use a variety of transplant techniques to "harvest" groups of individual hair follicles from a denser area, usually the fringe above the ears and around the back of the head, and graft those into a thinning area, most commonly the crown and front of the scalp.
One of the misconceptions that patients often encounter in considering graft techniques for hair restoration surgery is that "more is better." If patients know the number of hairs to be transplanted, rather than the number of grafts, they will get a more accurate description of the hair restoration procedure and have more realistic expectations, according to a presentation scheduled for the annual meeting of the International Society of Hair Restoration Surgery (ISHRS) in Barcelona, Spain, October 15-19.
Psoriasis is a noncontagious, incurable skin disorder that affects more than 6.4 million people in the United States. The National Psoriasis Foundation (NPF) has proclaimed October National Psoriasis Awareness Month in order to educate the public about the serious physical and emotional impact of the disease, and encourage people with psoriasis to become fully informed about their treatment options.
1) In several science and engineering (S&E) fields, recent Ph.D. recipients have faced unemployment rates unusually high among these highly skilled groups, according to a new National Science Foundation (NSF) Issue Brief. 2) A team of scientists funded in part by the National Science Foundation (NSF) has begun to deploy instruments in a five-year study of a massive plume of muddy water, some 12 miles wide and 200 miles long. 3) "Here lies the true horror of the Himalayas," wrote John Keay in The Gilgit Game. Keay was referring to Nanga Parbat, Urdu for Naked Mountain, a 26,000-foot-high peak on the northernmost edge of the western Himalayas.
Dr. James F. Toole of Wake Forest University Baptist Medical Center has been elected president of the World Federation of Neurology for a four-year term, defeating four other candidates.
Scientists at Wake Forest University Baptist Medical Center report today that they have found another way to shut down the doorway for HIV-1 to invade two types of white blood cells -- lymphocytes and macrophages. In a report in the Oct 14 issue of the Proceedings of the National Academy of Sciences, Si.-Yi Chen, M.D., Ph.D., assistant professor of cancer biology, and his colleagues describe how they have inactivated the most frequently used co-receptor -- docking site -- for HIV-1 viruses on the surface of both macrophages and lymphocytes, resulting in immunity of those macrophages and lymphocytes to HIV-1 infection.
A potentially fatal bacterial disease that damages the liver and kidneys of dogs, humans and other animals -- leptospirosis -- is appearing in new forms in the United States. Citing an alarming increase in leptospirosis cases, bacteriologists in the Cornell University College of Veterinary Medicine's Diagnostic Laboratory are urging dog owners to watch for symptoms of the disease until improved vaccines are available.
If workers aren't prepared for the workplace responses to climate change, there's stormy economic weather ahead, a report from the Cornell University Work and Environment Initiative predicts.
ATHENS, Ga. -- Should you move to Cambridge and earn an MBA from Harvard? Or will a master's in business administration from State U. serve you just as well? What about Grandma's china? Do you pay to store it for the next two years or sell it at a yard sale? And what about the kids, your spouse, your aging parents? For women considering graduate school, these questions -- and many more -- can weigh heavily on their decisions, according to the author of "A Woman's Guide to Surviving Graduate School," published by Sage Press and now available at Borders bookstores.
A workshop on U.S.-Mexican border policy, featuring some of the region's top experts on drug control and immigration control, will be held Oct. 17 from 1:30-5:30 p.m. at the University of California, San Diego.
The FDA has cleared a device invented at Columbia University College of Physicians & Surgeons that may reduce the incidence of pneumonia in thousands of elderly Americans and stroke patients who develop swallowing disorders. The device, called the Air Pulse Sensory Stimulator, measures sensory loss, or numbness, in the throat and voice box. Numbness in this region can increase the risk of food and secretions inadvertently going into the lungs and causing pneumonia.
The world can now hear history in the making during one of the most important events of the cold war -- the 1962 Cuban Missile Crisis -- on the World Wide Web.
The American College of Emergency Physicians today released a major new practice guideline for managing elderly patients who experience falls, the cause of death for 12 percent of those older than age 65.
Long-term use of vitamin C supplements may substantially reduce the development of age-related eye disease. A new study published in the October American Journal of Clinical Nutrition showed that women who had consumed a vitamin C supplement for more than 10 years had a 77 percent lower incidence of early lens opacity (cloudiness on the lens) and an 83 percent lower rate of moderate lens opacity. Lens opacity is an early stage in the development of cataracts.
The National Science Foundation (NSF) and The Lucent Technologies Foundation have awarded 18 grants to researchers across the nation to advance the emerging field of industrial ecology and to encourage businesses to integrate pollution prevention practices into their day-to-day operations.
In a step toward providing chronic pain relief, researchers at the University of Minnesota and the Minneapolis Veterans Administration Medical Center have identified a group of nerves that are instrumental in causing hypersensitive pain responses. Working with rats, the researchers showed that destroying a certain type of spinal nerve left the animal resistant to a treatment that usually causes hypersensitivity to heat and touch.
Press release of issue dated October 11 for New Scientist, the international science and technology weekly news magazine.
As the 10-year anniversary of the 1987 Stock Market crash approaches, Baylor University investment professor Dr. William Reichenstein says its unlikely "Black Monday" could happen again. On Monday, Oct. 19, 1987, the worst financial day in U.S. history occurred.
A remarkable quartet of trained marine mammals is helping scientists at UC Santa Cruz push the frontiers of animal psychobiology by demonstrating, in unprecedented detail, how they see, hear, and think about the world around them.
Expensive antibiotics are no more effective than inexpensive antibiotics at treating ear infections, according to a University of Colorado Health Sciences Center study published in the October issue of Pediatrics.
Los Alamos National Laboratory scientists led the development of two scientific sensors that will provide key measurements of the space environment around Saturn when the Cassini spacecraft reaches the ringed planet in 2004.
Tyrannosaurus rex may have had a sedentary cousin that might better have been called Ty-sit-osaurus. That's the finding of Purdue University researcher Richard Hengst, who studies the anatomy of dinosaurs to determine the efficiency of their breathing systems.
The Susan G. Komen Breast Cancer Foundation today unveiled a comprehensive online source of breast health information. The Komen Foundation, known for raising awareness and community support for breast cancer research and programs through its nationally acclaimed Race for the Cure, will now extend its reach by offering a website that provides general breast cancer information, with specific areas that address the needs of speical audiences, including breast cancer survivors and their friends and families, the media, and the medical and scientific communities.
Using air bags and shoulder restraints in passenger aircraft could reduce deaths from head injuries sustained in airplane crashes, according to a study led by researchers at Johns Hopkins. Such injuries account for up to a third of all aviation-related deaths in the United States.
University of Maryland School of Medicine researchers report that mature B cells have a molecular repair mechanism that can reactivate the process of genetic recombination to replace mutated and failing lymphocytes with ones producing the right antibodies. They can do it outside the bone marrow and in response to antigen.
Researchers at Yale University have succeeded for the first time in measuring an electric current flowing through a single organic molecule sandwiched between metal electrodes. The feat could pave the way for a radically new generation of transistors so small that a beaker full would contain more transistors than exist in the world today.
Students in Professor Dave Raphael's MBA 670 Global Trends class at the University of San Francisco McLaren School of Business predict the U.S. GDP will rise faster in 1997 than it did in 1996, and they believe Hong Kong's stock market will stumble by the end of the year.
Physicians from 50 countries will participate in CHEST 1997 -- the International Assembly of the American College of Chest Physicians--to be held in New Orleans, October 26 - 30, 1997.
Cornell University nutritionists and agronomists will travel to the Chakaria area of Bangladesh Oct. 6 to begin investigating why the disease rickets has been found in such a sunny place.
The National Science Foundation (NSF) has named three centers to conduct and coordinate earthquake engineering research for the nation. They will be located at the Universities of Illinois and California and the State University of New York in Buffalo.
University of Washington researchers will play a leading role in a $20 million effort to identify and mitigate potential earthquake hazards in urban areas along the Pacific coast. The UW joins eight California universities in the Pacific Earthquake Engineering Research Center announced today by the National Science Foundation.
Advanced Tissue Sciences, Inc. and its joint venture partner, Smith & Nephew plc, announced today the launch of Dermagraft in the UK market. Dermagraft is the first fully human dermal replacement available for the treatment of full thickness diabetic foot ulcers. The announcement was made today at the British Diabetic Association meeting.
1) Smoking cessation is one of the most cost-effective medical treatments, reports a Mayo study, 2) Mayo sports medicine researchers report how a training device helps keep the ankle more stable in response to a sudden inversion -- the cause of most ankle sprains, 3) Is multiple sclerosis caused by an infectious agent in the environment? 4) Mayo researchers report that testing a minute sample of fluid from just beneath the surface of the skin measures glucose levels in diabetics as accurately as the standard finger-stick method.
Women under 50 benefit from screening mammography as much as women over 50, a University of Chicago study reports.
Radioactive seed implants are a safe, effective way to treat prostate cancer with few side effects, a Michigan study reports.
An international study reports that children with some difficult to treat tumors can benefit from radiation therapy.
Radiation therapy prevents local relapses of melanoma (skin cancer) and also improves the quality of life of patients whose disease has spread, a new study in Germany has found.
Radiation therapy delivered to the pelvis and area of the vagina was effective in preventing the return of endometrial cancer for certain patients, a new study in Wisconsin has found.
Using low doses of radiation immediately after angioplasty can significantly reduce the risk that a heart patient's arteries will once again become too narrow in the future, a new study has found. An estimated 600,000 patients undergo such interventional procedures a year and researchers say up to 90 percent of these patients could be eligible for this new use for radiation therapy.
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