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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Nutrition book author Willett rebuilds USDA food pyramid
For more than 20 years researchers at Harvard and elsewhere have been looking at the long-term health effects of eating certain types of foods. These researchers now have a good…
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Drug hits new molecular target in mice
When doctors diagnose and plan treatment for breast cancers they look for various indicators of how aggressive they are and what treatments will work best. Two-thirds of breast tumors are…
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Study shows obesity can increase risk of pancreatic cancer
Each year almost 30,000 people in the United States are diagnosed with pancreatic cancer. About the same number of people are killed by it. Pancreatic cancer is the fifth-leading cause…
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Snack foods may increase risk of age-related sight loss
Macular degeneration results from the malfunctioning or loss of function of photo-sensitive cells in the retina. According to the Macular Degeneration Foundation, more than 13 million people in the United…
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Amniotic cells may be source of new tissue
Babies born with congenital defects often require surgery. Surgeons face a problem, however — in adults, tissue for repair is borrowed from other areas of the body, but babies don’t…
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Inflammatory villain turns do-gooder
Many drugs try to tame inflammation by inhibiting molecular events occurring at the beginning of the body’s own immune response. But that may thwart the body’s attempt to heal. A…
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Walking rhythm offers gait-way to reduce falls
Over the past 10 years, Jeffrey Hausdorff has studied thousands of steps from hundreds of feet. The Harvard Medical School assistant professor says that complex patterns hidden in an ordinary…
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Will vaccine defense help polish off tooth decay?
The key to preventing cavities in teeth lies in controlling an acid-secreting bacterium known as Streptococcus mutans that lives in the mouth. Researchers at the Harvard School of Dental Medicine…
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Diet and exercise dramatically delay type 2 diabetes
Diabetes afflicts more than 16 million people in the United States; type 2 diabetes accounts for up to 95 percent of all diabetes cases. New findings from the Diabetes Prevention…
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Are you an ‘early bird’ or a ‘night owl’?
Harvard researchers working at Brigham and Women’s Hospital have found that whether someone is a morning person or an evening person depends on a basic aspect of the circadian timing…
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High levels of depression, post-traumatic stress disorder remain in Bosnian refugees
In 1996, Harvard Medical School researchers began following the mental health impact of the Bosnian war on individuals in a refugee camp in Croatia. Most of the refugees have now…
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Deadliest form of malaria is younger than previously believed
Malaria kills more people than any other communicable disease except for tuberculosis. It is the world’s most serious parasitic tropical disease, resulting in 1 million to 3 million deaths annually.…
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Adult stem cells effect a cure
Using stem cells from the unborn to treat adult diseases has created an anguished public debate. Now research news from Harvard Medical School scientists may help to end that debate…
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An alternate take on Alzheimer’s
Much of Alzheimer’s research has focused on the role of a protein, amyloid-beta, found at high levels in the brains of Alzheimer’s patients and which coagulates into plaques. Researcher Ashley…
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Fireflies seen in a new light
Anyone who has ever seen fireflies do their luminescent mating dance on a summer’s night has wondered: How do they light up like that? Now, two researchers, Sara Lewis from…
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A familiar drug gives surprising hope against diabetic blindness
A common complication of diabetes is diabetic retinopathy, which can lead to blindness. Diabetic retinopathy is caused by changes in the blood vessels of the retina. This form of retinopathy…
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Green vegetables and fruits rich in vitamin C reduces risk of heart disease
Regularly eating fruits and vegetables, in particular green leafy vegetables and fruits that contain vitamin C, reduces the risk of coronary heart disease, according to researchers from the Harvard School…
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Gene found for rare bone disorder
Cherubism may sound angelic, but it certainly is not. The rare bone disorder afflicts children starting at about age 3 or 4, causing them to develop chubby cheeks and upward-looking…
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Breathing new life into asthma therapy
Asthma attacks have lasting effects because the lungs’ most delicate airways can become scarred. This makes future attacks all the worse. Researchers at Harvard Medical School have looked at what…
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Introducing baby to the right bacteria
Developing a symbiotic relationship with the right bacteria is essential for a baby’s health and development. W. Allan Walker, a researcher at Harvard Medical School and Massachusetts General Hospital, has…
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Breast-feeding may limit teenage obesity
Infants who were breast-fed more than formula-fed, or who were breast-fed for longer periods, had approximately 20 percent lower risk of being overweight in their preteen and teen years, according…
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New drug dissolves stomach tumors
Since July 2000, Harvard and Dana-Farber Cancer Institute researcher George Demetri and his colleagues have treated 148 patients with a rare, lethal stomach cancer known as GIST (Gastrointestinal Stromal Tumor).…
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A potential new anthrax therapy
A vaccine to protect humans against anthrax already exists, but since infection is rare, a widespread vaccination program is not practical. To be effective against anthrax, antibiotics must be given…
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Caffeine linked to protection from Parkinson’s disease
Parkinson’s disease is a progressive nervous disease occurring generally after age 50. It destroys brain cells that produce dopamine and is characterized by muscular tremor, slowing of movement, weakness and…
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Medicare rules restrict good care for dying patients
Many health care providers believe that Medicare regulations block them from providing good care to dying patients. Researchers from Harvard Medical School, the Harvard School of Public Health, and RAND…
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Nurse staffing levels directly impact patient health and survival
Researchers who looked at hospital discharge data for more than 5 million patients found consistent relationships between nurse staffing levels and five adverse patient outcomes: urinary tract infections, pneumonia, shock,…
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Women’s menstrual cycle holds clue to cocaine response
During the first half of their menstrual cycles, when their estrogen levels are high, women are protected from the brain-damaging effects of cocaine use, according to a research study conducted…
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Circadian rhythms may distinguish Alzheimer’s disease
Researcher David Harper and his colleagues monitored two key components of the circadian system — the rise and fall of core body temperature and the waxing and waning of spontaneous…
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First domino falls in research on sense of touch
Unlike the other four senses, touch is ubiquitous, involving sensory terminals dispersed over the outside and on the inside of the body. This system encodes a variety of sensations in…
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Scientists look people in the ‘I’
Harvard researchers seek a scientific answer to a question posed by 16th century philosopher René Descartes: “What is this ‘I’ that I know?” “Understanding the brain essence of self-awareness helps…