Health
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How to fight depression? Faster.
Hope flags when medications fail, isolating and endangering patients. Backed by a major grant, 2 Harvard scientists are focused on reducing the distance between diagnosis and recovery.
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Threat of mosquito-borne diseases rises in U.S. with global temperature
Experts fear more cases of West Nile virus, EEE (and possibly Zika, Dengue fever) as warm seasons get longer, wetter
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Seem like peanut allergies were once rare and now everyone has them?
Surgeon, professor Marty Makary examines damage wrought when medicine closes ranks around inaccurate dogma
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3 million Americans have dental implants — but procedure wasn’t always ‘routine’
Surgeon recounts changes in field over 40-year career — from titanium screws to bone regeneration — as he accepts Goldhaber Award
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Getting to the bottom of long COVID
A reservoir of virus in the body may explain why some people experience long COVID symptoms
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‘Heartbreaking’ encounter inspired long view on alcohol
One encounter changed everything for researcher who hopes to help mothers and families detect and treat the effects of dangerous drinking
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Discovering what lives in your mouth
Your mouth is a great place for micropests to dwell. Glistening white plateaus, dark crevices, and slimy surfaces boast steamy temperatures of 95 degrees Fahrenheit. The microbes bathe in a…
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Scientists discover chemical switch that determines muscle fiber type
Published in the Aug. 15, 2002 issue of the journal Nature, findings from a multi-institutional team describe the pivotal role of a molecule called PGC-1 in transforming “fast twitch” fibers…
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Medical student engineers protein to dissolve blood clots
Heart attacks and strokes are caused by blood clots called thrombi that block blood flow in the arteries of the heart and of the brain. Body tissues become deprived of…
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How the brain keeps extra calories from becoming extra pounds
What determines whether excess calories are turned into fat or are burned off? The key lies in a process known as diet-induced thermogenesis, an intricate system of communications masterminded by…
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New multiple sclerosis drugs are found
Five years ago, scientists at Harvard University began to take a close look at Copolymer 1, a treatment for multiple sclerosis, that is put together from a string of amino…
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Diabetes treatment linked to increased blood pressure
Type II diabetes accounts for the majority of cases of the disease, and is a huge public health problem: As many as 16 million individuals in the United States have…
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Practice makes perfect
Harvard Medical School researchers conducted a study in which people were taught to type a sequence of keys on a computer keyboard as quickly and accurately as possible. A group…
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Early administration of clot-buster drug may improve outcome for heart attack patients
The immediate goal of the treatment of heart attack patients is reperfusion, or the swift opening of the blocked artery and the restoration of blood flow to the heart muscle.…
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Maternal bone lead levels pose toxic prenatal risk
Although much attention has been paid to public health efforts to reduce lead exposure in children between the ages of six months and five years, when environmental lead exposures (such…
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Statistical work helps calm worries about anti-AIDS drugs and pregnancy
For years, physicians have prescribed antiretroviral therapies for HIV-positive, pregnant women to reduce the risk of babies being born with the AIDS virus. About 6,000 HIV-infected women give birth each…
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Investigators discover method to stimulate brain rewiring after stroke
After a stroke, brain cells die and their connections to other parts of the brain are lost. In a study with rats conducted at Children’s Hospital in Boston, a naturally…
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Researchers identify protein linked to tumor invasion
Metastasis occurs when cancer cells penetrate the boundaries of the tumor’s tissue and infiltrate the walls of blood vessels or lymph vessels, gaining a means of transport to other parts…
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Six new breast cancer-susceptibility genes found
The discovery of six new cancer-susceptibility genes grew out of more than 10 years of research by Alan D’Andrea into Fanconi anemia, a condition known to affect only 500 families…
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One in five women iron deficient, many children also at risk
Iron-deficient anemia reduces the oxygen-carrying capacity of red blood cells, thus decreasing energy and endurance. When there is not enough iron, the red blood cells are not able to produce…
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Imaging test may detect gene for genetic cardiac disease
Hypertrophic cardiomyopathy (HCM) is the most common cause of cardiac death among young people and affects one in every 500 individuals, including professional athletes. It is characterized by an enlargement…
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Researchers use therapeutic cloning to create functional tissue in cows
In a study, researchers obtained cow oocytes (donor eggs from cow ovaries) and removed and discarded the nuclei, which contain the cells’ genetic material, leaving behind just the shell. A…
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Researchers uncover remaining critical insulin gene regulatory factor
Scientists have known the identity of two genes that can influence the ability of insulin genes to trigger insulin production in the beta cells of the pancreas. Through subsequent research…
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New molecular model increases longevity and could allow you to eat cake, too
Scientists have known about the longevity benefits of caloric restriction since experiments in the 1930s showed that rats lived much longer if their food intake was severely restricted. Broadly speaking,…
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Sea squirt cancer drug under test
In the United States, researchers at three Harvard University-affiliated hospitals — Massachusetts General Hospital, Dana-Farber Cancer Institute, and Brigham and Women’s Hospital — have been testing a powerful drug on…
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Endostatin shows no toxicity and some clinical activity in latest report on phase I trial
Discovered in the Children’s Hospital Boston laboratory of Judah Folkman, Endostatin is a natural substance that blocks the formation of new blood vessels around and in tumors, thereby disrupting their…
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Old-line antibiotic seen to save neurons
Developed as an antibiotic 30 years ago, a drug called minocycline was later discovered to ease acne, rheumatoid arthritis, and other inflammatory conditions. A few years ago, it was shown…
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Science illuminates art
Monet and other painters exploited the parallel visual processing of color and brightness. A sunset seems to shimmer, a field of poppies seems to wave, and a river seems to…
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Staying healthy amidst bacterial “Overkill”
A new book by Harvard School of Public Health Assistant Professor of Risk Analysis and Decision Science Kimberly Thompson takes a look at how the way we live is causing…
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New radio wave treatment corrects back disorders
Doctors at Beth Israel Deaconess Medical Center are using radio waves –- the same energy that sends signals to your car radio -– to gently dissolve small amounts of unwanted…
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Harvard researchers take aim at asthma
Asthma is one of the most common chronic conditions in America, afflicting about 15 million people and causing 5,000 deaths annually, according to the National Institutes of Health. Asthma rates…
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Heart attack patients may benefit from drinking tea
A study published in the May 7, 2002, issue of Circulation: Journal of the American Heart Association found that tea consumption is associated with an increased rate of survival following…
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Peripheral ‘Swatch’ watches are powerful force in modulating body’s circadian rhythms
Clinicians have known for years that organs function at different rates — the heart beats, kidneys transport ions and electrolytes, the liver metabolizes lipids, sugars, and amino acids differently over…
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Increased intake of dairy products may help reduce risk of insulin resistance
Milk intake has decreased significantly over the past three decades while the prevalence of obesity and type 2 diabetes has increased. The authors of a Harvard research study note that…
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Changes in brain shown with learning
Harvard Medical School researchers Vadim Bolshakov, Evgeny Tsvetkov, and Bill Carlezon, based at McLean Hospital, reported with colleagues in the April 11, 2002 issue of the journal Neuron that they…
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New tool speeds study of mammalian protein function
A new technology developed by Harvard Medical School researchers in the laboratory of Yang Shi, associate professor of pathology, extends the range of possibilities of selective interference of gene expression…