Health
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Eating citrus may lower depression risk
Physician-researcher outlines gut-brain clues behind ‘orange a day’ finding
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Primary care has money problems. This might help.
Physician-researcher sees promise in five-year ‘prospective payment’ experiment
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Big step toward targeted molecular therapies for cancer
Researchers develop innovative approaches to understand, target, disrupt uncontrollable growth of disease
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It’s inoperable cancer. Should AI make call about what happens next?
Arrival of large-language models sparking discussion of how use of technology may be broadened in patient care, and what it means to be human
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The lie that taints perfectionism
‘How to Be Enough’ author on the difference between admiration and acceptance, the power of ‘2 percent kinder,’ and why values should come before rules
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Outpatient cardiology care improves survival odds after heart attack
Previous research suggests that patients may live longer if they are under a cardiologist’s care while hospitalized for myocardial infarction. In a new study, John Ayanian, Harvard Medical School associate…
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Strict enforcement of lead abatement policies saves communities money
Exposure to lead is determined by blood tests, and measured in micrograms of lead per deciliter of blood. The Centers for Disease Control and Prevention has set a “level of…
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Drinking and hormones, alone and together, increase risk of breast cancer
According to the American Cancer Society, more than 190,000 women are diagnosed with breast cancer annually. It is the second leading cause of cancer deaths in women today. Using data from…
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Incidence of hip fractures reduced by walking
In the United States, one in every three adults 65 years old or older falls each year, with hip fractures resulting in the greatest number of deaths and most serious…
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Enzyme linked to pathology of Parkinson’s disease appears two-faced
A finding by Harvard Medical School researchers adds a new wrinkle to the story of Parkinson’s disease and insight into how failure to dispose of proteins can wreak havoc on…
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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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Long-term memory not fixed until after age one
When does long-term memory develop? This was a natural question for Conor Liston, a Harvard senior, and his mentor Jerome Kagan, Starch Research Professor of Psychology. Liston conducted experiments under…
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Patching up depression
In a study, almost half of the people who wore an antidepressant skin patch recovered after only six weeks, and many of them “showed remarkable improvement much sooner,” according to…
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Food pathogen vector shows promise against cancer
For the past four decades, researchers have poked and prodded Escherichia coli and Listeria monocytogenes – the basic science trade names of sometimes deadly bugs – to discover how they…
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Starship memories
Psychologists are at odds over the idea that people can forget traumatic events then “recover” intact memories of the trauma years later. On one side are clinicians, who observe that painful memories can be repressed, banished from a trauma survivor’s consciousness until they’re “recovered” with the help of certain psychotherapeutic techniques in adulthood. Memory researchers, on the other hand, say that people don’t repress traumatic events.
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Study: Use of acetaminophen linked to hypertension
Out of a group of 80,000 women surveyed, those who regularly took acetaminophen or non-steroidal anti-inflammatory drugs (NSAIDs) – and had no previous history of high blood pressure – had…
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How your heart got where it is
A team of scientists at the Harvard School of Dental Medicine and The Forsyth Institute in Boston believes it has found the answer to how bodily organs are formed. And…
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Bacterial construct makes for elegant vaccine
Investigators from Harvard Medical School and London’s Hammersmith Hospital have found a way to use the bacterium Listeria along with Escherichia coli to fight disease instead of causing it. In…
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Early onset of perimenopause linked to economic hardship
Perimenopause is the period leading up to menopause. The World Health Organization defines perimenopause as the phase during which hormonal, biological, and clinical changes begin. Studies have shown that up…
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Specific types of exercise can significantly reduce risk of heart disease among men
A pool of 44,452 men from the Health Professionals’ Follow-Up Study were monitored via questionnaire every two years from 1986 to 1998 to determine potential coronary heart disease risk factors…
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Ban on coal burning in Dublin cleans the air, reduces death rates
In the 1980s, Dublin’s air quality suffered as people switched from oil to cheaper and more available coal for home and water heating. On Sept. 1, 1990, the Irish government…
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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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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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Hormone receptor variation linked to cancer risk
Endometrial cancer is the fourth most common cancer in women in this country, according to National Cancer Institute statistics. Progesterone’s important protective role showed up three decades ago, articulated in…
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Dual signals may drive early breast cancer
Researchers from the lab of Joan Brugge, Harvard Medical School professor of cell biology, may have uncovered one of the central mechanisms of breast cancer. They found that dual signals…
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Genes found that regulate brain size
A gene that builds bigger brains, called beta-catenin, was discovered in the laboratory of Christopher A. Walsh, Bullard Professor of Neurology at Harvard Medical School. Researchers there engineered increased activity…
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Harvard researchers complete genomic sequence of deadly malaria parasite
Malaria is the world’s most serious parasitic tropical disease and kills more people than any communicable disease except for tuberculosis. There is more human malaria in Africa today than at…
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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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Students develop system to fight TB
A new system developed by Harvard undergraduates delivers anti-tuberculosis drugs through an inhaler, increasing the likelihood that patients will take them over longer periods, and reducing the side effects of…
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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…
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Researchers isolate key part of cells’ ‘death’ signals
In the cover article of the September 2002 issue of the journal Cancer Cell, researchers from Dana-Farber Cancer Institute reported that peptide subunits of cell-signaling “BH3” proteins could out-maneuver opposing…
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HIV-1 positive mothers taking vitamin A increase risk of transmitting HIV to newborns
In many regions of Africa, between 15 and 30 percent of women attending prenatal care clinics are HIV-1 positive. And 20 to 45 percent of children born to HIV-1 positive…
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Protein seen to animate cell skeleton
The cytoskeleton is made up of arrays of actin filaments that are arranged into widely different structures — parallel arrays that mediate muscle contraction, networks of branched filaments at the…
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Study suggests surprising cause of arthritis
Julia Ying Wang, a Harvard Medical School assistant professor of medicine at Brigham and Women’s Hospital, was exploring whether a particular class of carbohydrates called glycosaminoglycans (GAGs) trigger an immune…
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Alzheimer’s-associated enzyme elevated in key brain areas
A research report that appears in the September 2002 issue of the journal Archives of Neurology may improve understanding of the most common form of Alzheimer’s disease. “Our key finding…