Health

Much leptin research in humans has focused on feasting rather than famine, but Christos Mantzoros’s team, led by Jean Chan, a Harvard Medical School clinical fellow in medicine, took a…

John Collier, Presley Professor of Microbiology and Molecular Genetics at Harvard Medical School, began tinkering with anthrax molecules in 1989. He looked into a powerful electron microscope and, for the…

The first study to compare the effects of inactivity on obesity and diabetes concludes that being a couch potato significantly raises the risk of both diseases. “Our data provide strong…

Scientists have discovered that the sun’s damaging ultraviolet (UV) rays target a series of biochemical signals inside the young skin cell, impairing the cell’s ability to control its proliferation. Lynda…

Animal and laboratory studies in the past have indicated that acrylamide, a potentially carcinogenic substance, is found in elevated levels in certain foods, such as potato chips, French fries, cereals…

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…

It is estimated that over 50 million people in the United States have at least three of the five medical problems that result in a diagnosis of metabolic syndrome. In…

Chronic sleep deprivation is common in today’s society. It is reported that a third of Americans sleep six or less hours per day. Previous research has shown that the effects…

Laura Morgan Roberts of Harvard Business School and Stéphane Côté of the Rotman School of Management at the University of Toronto, Canada, studied 103 working college students. “We found that…

Restenosis — reclogging of the heart’s arteries — is a vexing problem for patients who have undergone balloon angioplasty for the treatment of coronary heart disease. The condition apparently develops…

In a study, researchers reported that the combination of minocycline and creatine resulted in additive neuroprotection in the case of amyotrophic lateral sclerosis, also known as Lou Gehrig’s Disease. After…

Physician career satisfaction levels are relatively consistent from year to year, and a clear majority of physicians nationally are satisfied with their careers. However, a survey showed significant variation in…

In the 19th century, hysteria was considered one of the most common disorders afflicting women. Doctors advised parents to keep their daughters from riding horseback, eating vanilla, or reading novels,…

A study found that errors involving leaving surgical sponges or instruments inside patients are more likely to happen during emergency procedures, or in operations where there is a sudden change…

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…

Polycystic kidney disease, or PKD, is the most common life-threatening genetic disease. It is caused by mutations in one of two genes. Though the genetic defect that causes PKD is…

Scientists have been striving to develop antibiotics against drug-resistant bacterial strains. Most attempts have been plagued by a lack of molecular tools for manipulating — and ultimately improving — the…

In the 1940s, experiments showed that major depression can be relieved by injecting testosterone into men with low levels of that hormone. The treatment never caught on because the shots…

A study has provided the first hard evidence that outpatient community care in poor, urban shantytowns can work for the most difficult to treat form of tuberculosis. The multidrug-resistant tuberculosis…

Men who drank moderate amounts of alcoholic beverages three or more times a week had a risk of myocardial infarction 30 to 35 percent lower than nondrinkers. The observational study,…

After following 88,647 women for 18 years, the largest and longest individual study of its kind to date, researcher Michelle Holmes and her co-investigators found no evidence that intake of…

Studies have shown that the buildup in the brain of certain toxic proteins, called amyloids, leads to the emergence of the symptoms of Alzheimer’s disease. Research has traditionally focused on…

A study led by Joslin Diabetes Center researchers and published in the Jan. 24, 2003 issue of the journal Science brings scientists one step closer to turning the dream of…

Researchers tracked the diet and health outcomes of more than 43,000 male participants for 12 years. Using detailed food frequency questionnaires, participants were asked how often they ate fish, ranging…

If physicians are reluctant to be vaccinated themselves against smallpox, large numbers of Americans will be unwilling to do it voluntarily. Also, if there are deaths from side effects of…

Researcher Jeanne M. Madden and colleagues used seven-and-a-half years of data on 20,366 mother-infant pairs with normal vaginal deliveries within a large Massachusetts health maintenance organization to determine the effects…

Harvard Medical School researchers Philip Leder and Benjamin Leader have discovered that oocytes from female mice without the formin gene Fmn2 cannot correctly position the metaphase I DNA-spindle. This produces…

In a study, scientists from Brigham and Women’s Hospital (BWH) and Toronto Western Hospital followed the progress of patients who opted to have joint replacement surgery. They found that those…

ARM is a degenerative eye disease that affects the macula, which is responsible for central vision, which is necessary for reading, driving and recognizing people’s faces. Advanced ARM is the…

Murat Kalayoglu of the Massachusetts Eye and Ear Infirmary, Peter Libby of Harvard-affiliated Brigham and Women’s Hospital, and Gerald Byrne of the University of Tennessee Health Science Center searched MEDLINE…