Tag: Massachusetts General Hospital
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Nation & World
Extended release stimulant effective for long-term ADHD treatment
In the October 2005 issue of the Journal of the American Association of Child and Adolescent Psychiatry, a multi- institutional research team reported finding that treatment with Concerta, a once-daily…
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Nation & World
Study suggests obesity has lesser financial impact on African-Americans
The study published in the January 2005 issue of the American Journal of Public Health is among the first to examine how patient demographic factors affect the relationship between body…
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Nation & World
Discovering how we appreciate a loss
A committee of psychiatrists, surgeons, ethicists, and others decided that the only course left for five people with otherwise untreatable mental disorders was to cut out a certain area of…
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Nation & World
Appetite hormone restores fertility
A hormone called leptin has been trumpeted as an appetite suppressor and a possible treatment for obesity. New research shows that “a clear connection also exists between fat, or energy…
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Nation & World
Study finds leptin plays a key role in women’s health
Senior author Christos Mantzoros, M.D., director of the Human Nutrition Research Unit and clinical research overseer of the Department of Endocrinology at BIDMC and associate professor of medicine at Harvard…
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Nation & World
Probing inappropriate rage
As 30 research subjects seethed, scientists measured blood flowing between the thinking and emotional parts of their brains. What would be the difference between people who controlled their anger pretty…
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Nation & World
Stem cell science
“Stem-cell transplants are already performed every day in Harvard-affiliated hospitals — and around the world,” says Harvard Stem Cell Initiative codirector David Scadden, professor of medicine at Harvard Medical School…
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Nation & World
Cystic fibrosis gene linked to fatty acid defects
Researchers already understood that the defective CFTR gene causes CF, explains senior author Steven D. Freedman, M.D., Ph.D., of the gastroenterology division at BIDMC and associate professor of medicine at…
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Nation & World
The brains behind writer’s block
“It’s likely that writing and other creative work involve a push-pull interaction between the frontal and temporal lobes,” Harvard Medical School neurology instructor Alice Flaherty speculates. If the temporal lobe…
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Nation & World
Sperm cells made in lab can fertilize eggs
Scientists injected laboratory-created sperm into eggs, and the resulting embryos grew to the point where they would normally be implanted into a womb. The experiment was done with mouse stem…
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Nation & World
One combination of AIDS drugs appears better for starting treatment
Combination drug therapy – also called highly active antiretroviral therapy (HAART) – made a huge difference in the treatment of HIV infection during the 1990s, changing HIV/AIDS into an illness…
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Nation & World
Puberty gene identified
A gene discovered by Harvard researchers and their colleagues in England makes a protein necessary to trigger a hormonal cascade that flows from the brain to the gonads. Without it,…
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Nation & World
Regeneration of insulin-producing islets may lead to diabetes cure
Type 1 diabetes develops when the body’s immune cells mistakenly attack the insulin-producing islet cells of the pancreas. As islet cells die, insulin production ceases, and blood sugar levels rise,…
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Nation & World
Physicians report trouble obtaining specialty services for uninsured
A research team surveyed more than 2,000 physicians at U.S. academic health centers who had provided direct patient care during the preceding year. Among the questions asked were whether the…
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Nation & World
Did life originally spring from clay?
While the research is a far cry from proving that humans sprang from clay, as some creation myths assert, it does provide a possible mechanism for explaining how life initially…
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Nation & World
Researchers boost blood cancer fight
Working with colleagues at the University of Rochester School of Medicine, Harvard researchers found that giving mice a hormone known for building bones increased their production of blood stem cells.…
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Nation & World
Compound traces brain plaques in real time
Alzheimer’s disease is notoriously difficult to diagnose. Though sophisticated functional and cognitive tests can help, they often fail to distinguish between Alzheimer’s and other non-amyloid-based dementias, particularly frontotemporal dementia. The…
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Nation & World
Innate signal sparks homing of T cells
The results of three studies published together in the Aug. 31, 2003 online edition of Nature Immunology help explain the uncanny ability of T cells to home to problem areas…
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Nation & World
Close interaction seen between blood vessel development and fat tissue formation
Findings from researchers at Massachusetts General Hospital could eventually help to solve problems ranging from cancer, to obesity, to the development of replacement organs. The findings involve the key physiological…
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Nation & World
Imaging technique tracks tumor escape into lymph nodes
For doctors as well as patients, detecting metastases can be a notoriously burdensome affair. Often, the only way to see whether a patient’s lymph nodes are invaded by cancer cells…
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Nation & World
Hypnosis helps healing
“Hypnosis has been used in Western medicine for more than 150 years to treat everything from anxiety to pain, from easing the nausea of cancer chemotherapy to enhancing sports performance,”…
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Nation & World
Minimally invasive treatment successfully destroys kidney tumors
A research team from Massachusetts General Hospital has described how a technique called radiofrequency ablation (RFA) destroyed all renal cell carcinoma (RCC) tumors less than 3 cm in size and…
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Nation & World
Scientists identify hundreds of worm genes that regulate fat storage
Findings by Harvard researchers, published in the Jan. 16, 2003 issue of Nature, represent the first survey of an entire genome for all genes that regulate fat storage. The research…
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Nation & World
New 3-D mammography system may improve breast imaging
Researcher Elizabeth Rafferty of the Massachusetts General Hospital Breast Imaging Service described initial results of a study comparing a new technique, called digital tomosynthesis, to standard mammography. Among the new…
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Nation & World
Study of phthalate exposure in humans finds association with sperm DNA damage
Phthalates are a class of compounds used to hold color and scent in many cosmetics and personal care items such as soaps, detergents, skin preparations and aftershave lotions, and they…
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Nation & World
New device documents clot formation in living mice
In the October 2002 issue of the journal Nature Medicine, Bruce and Barbara Furie, both Harvard Medical School professors of medicine at Beth Israel Deaconess Medical Center, reportrf on the…
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Nation & World
AIDS vaccine trials underway
A new AIDS vaccine is being tested in Boston, according to senior investigator Clyde Crumpacker, infectious disease specialist in the Virology Research Clinic at Beth Israel Deaconess Medical Center (BIDMC)…
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Nation & World
Protector protein part of nerve cell defense
Heat shock proteins are known to protect all cell types from various general assaults. They were originally discovered when cultured cells that were heated expressed the proteins at high levels…
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Nation & World
Mammalian teeth regrown in lab
A study involved seeding cells from the immature teeth of six-month old pigs onto biodegradable polymer scaffolds. The researchers then placed these structures into rat hosts. Within 30 weeks, small,…
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Nation & World
Chili peppers and inflammation
Researchers have discovered that the burinng pain of arthritis is similar to the pain associated with eating chili peppers. “The receptor activated by chili peppers in the mouth and other…