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Think about this when you step outside: Mosquitoes have managed to survive in almost every corner of the world. They live 8,000 feet up in the Himalayas and below sea […]

When the plague hit 14th-century Europe, people thought the end of the world was upon them. Millions were stricken with a sudden, mysterious death signaled by high fever, body aches, […]

The disease goes by different names in different places _ foot-and-mouth disease, hoof-and-mouth disease, even aphthous fever. No matter where they live, though, farmers and ranchers all call it terrifying. […]

Scientists wonder what the Rev. Billy Graham and Janet Reno have in common. One answer: Parkinson's disease. The minister and the former attorney general are two of the more than […]

People with AIDS are dying from a virus, but not necessarily the virus destroying their immune systems. Increasingly, they are worried about a virus that wages war on the liver. […]

CHICAGO _ Worries that an AIDS "morning-after" pill might undermine safe-sex messages could be overstated, but health officials still have too many unanswered questions to make the treatment widely available. […]

Public health experts don't necessarily like the way Mel Gibson lights up the big screen. At least when he uses matches. Smoking, particularly among society's most affluent strata, has dropped […]

The annual cold and flu season, despite an ominous beginning, hasn't proved to be particularly memorable. January is typically when hankie-clutching masses overwhelm local doctors' offices and emergency rooms. So […]

Scientists have been writing the story of estrogen for decades, with a few surprising plot twists and considerable character development. But the ending remains unpublished. The latest scientific findings demonstrate […]

DALLAS _ Renata Cerqueira remembers the anguish in the woman's voice. Genesis Women's Shelter could offer refuge from an abusive mate, Cerqueira assured the woman, but no, the shelter couldn't […]

Saving themselves from heart disease or cancer isn't enough to motivate most consumers to pick low-fat foods. Saving a quarter, however, is another matter. Public health experts have long warned […]

DALLAS _ New Year's partiers may be popping corks at midnight, but leave it science to burst some bubbles. Under laboratory scrutiny, some favorite champagne trivia appears to fall flat. […]

Here are the players in the mystery: a foreign parasite, known to Americans mainly because it once threatened Persian Gulf soldiers; a mosquitolike insect that stalks silently and almost invisibly; […]

Cell phones don't appear to increase the risk of brain cancer, according to results of the two largest studies so far to investigate the possibility. Scientists didn't find any increased […]

NEW ORLEANS _ Heart disease has an infamous band of accomplices _ cholesterol, smoking, high blood pressure and inactivity among them. The puzzling thing is, a lot of people don't […]

NEW ORLEANS _ People who already have clogged arteries aren't stuck with sickly vessels forever. Research suggests that a dramatic drop in cholesterol levels might not only slow the progression […]

Medical research about cranberry sauce is finally starting to gel. Cranberries' potential to fight urinary tract infections has long been the stuff of legend. Recently, though, scientists have started singling […]

DALLAS _ Some men who take Viagra may have an eye-opening experience that has nothing to do with sex. Eye doctors have found that the popular impotence drug also can […]

Lately, fiber has had it rough. Headlines once touted a high-fiber diet as a way to help prevent cancer, heart disease, diabetes and a host of lesser ailments. The latest […]

An invisible battle will soon end. In the Western Hemisphere, an enemy that has claimed millions of lives is on the brink of surrender. Health authorities declared all-out war on […]

DALLAS _ A new research paper describes perhaps the greatest discovery in infertility ever to emerge from a Dallas cardiology lab. A protein that helps shepherd heart cells through periods […]

Texas inmates infected with the AIDS virus often carry a form of virus that is able to defy treatment, researchers reported last month (September). The findings are part of the […]

The difference between asthma drugs of today and asthma drugs of tomorrow may be like the difference between a nuclear weapon and a smart bomb. Both can hit a target, […]

TORONTO _ For the first time, a vaccine appears to protect against infection with the herpes virus, but it works only in women, medical researchers here said Sunday. Although previous […]

Being next to godliness may not be nearly as good for kids as being a Dirt Devil. Children today may be growing up too clean, a growing body of scientific […]

Syphilis has been a part of human history for at least 500 years. Soon, however, it may only be a part of history books. A decade ago, more than 50,000 […]

Suddenly, the idea of a vaccinating potato doesn't sound so half-baked. Volunteers who ate chunks of such a potato have, for the first time, developed an immune reaction to a […]

Some researchers get to spend all day working on pet projects. They are a small but dedicated group of scientists, scraping together funding here and there, who believe that some […]

Every so often, even James Bond wakes up feeling shaken, not stirred. But scientists, aided by volunteers with spirits of goodwill, are working on a cure for the hangover. The […]

DALLAS _ People with type 2 diabetes can lower their blood sugar levels by simply eating more fiber, according to a study from Dallas researchers. The amount of fiber in […]

People with anorexia and bulimia see food as their greatest enemy. Achieving even a fragile truce, new data show, may require lengthy negotiations. Researchers are now releasing some of the […]

Some scientists think it would be nice to fool Mother Nature. Nature already demonstrates ways to reduce the risk of breast cancer: Have a baby as a young adult, for […]

Scientists are predicting that one day, on the shelves next to the Rolaids and Rogaine, drugstores may stock protection against some of medicine's worst ills. While vaccines have delivered some […]

The secret to a healthier life may lie on the other side of a cold, wet nose. Pet owners keep dogs and cats for companionship, affection and entertainment. But research […]

Radiologists differ in their interpretation of mammograms, despite the fact that the quality of film images has greatly improved in the past decade, new research suggests. The study, the largest […]

DALLAS _ Doctors can now give many patients with congestive heart failure their best hope yet for longer life. Heart failure still has no cure, but until recently, physicians had […]

Researchers for the first time have successfully injected a gene into the human heart and grown new vessels to feed blood-starved tissue. The results leave doctors hopeful that gene therapy […]

DALLAS _ Even after a century of use, aspirin still confounds scientists. But Dallas researchers have revealed one more of its secrets. In a new report, they say that aspirin […]