The armadillo is the only animal, besides humans, that is known to carry leprosy-causing bacteria.
April 28, 2011 Genetic studies have confirmed that some humans handling armadillo meat contracted a never-before-seen strain of the bacterium that causes leprosy. The armadillo is the only animal, besides humans, that is known to carry the bacterium.
Test tubes for insulin.
Neil Brake/Vanderbilt Medical Center
April 27, 2011 Gastric bypass surgery cures type 2 diabetes in up to 80 percent of patients. Now scientists are beginning to figure out why. And weight loss may be the least of it.
The richest women in Guatemala were about three inches taller than the poorest.
April 26, 2011 Measuring height gives clues to the health of nations. Many aren't measuring up. A new study finds that in 14 African countries, women are shorter than in previous generations.
Bite me: Could malaria-infected mosquitoes protect against the disease?
April 25, 2011 Coming up with vaccine against malaria has proven to be exceedingly difficult. Dutch researchers have found some small success by "vaccinating" people with mosquito bites.
April 15, 2011 Drinkers of a Red Bull-and-alcohol concoction said they felt twice as alert as those drinking alcohol alone. But researchers say that combination may make drinkers lose the ability to know when to stop drinking.
A worker at West Marin Pharmacy, Point Reyes, Calif., fills vials with strong iodine solution on Tuesday.
Justin Sullivan/Getty Images
March 17, 2011 A person would have to consume more than 3 pounds of iodized salt to obtain the amount of iodine in a single tablet of potassium iodide for use in a radiation emergency.
Eating a few mullet like these could be good for your eyes.
March 15, 2011 Women who ate fish, a prime source of omega-3s, at least once a week were less likely to get age-related macular degeneration compared with women who ate fish just once a month, a new study finds.
Sleep at home instead of behind the wheel.
March 4, 2011 Nearly 5 percent of people surveyed admitted they were so tired they had nodded off or fallen asleep while driving at least once in the preceding month.
February 15, 2011 Smokeless tobacco is on the rise among young males in the country. Bills in Congress would ban chew from Major League Baseball for good. Lawmakers may want to reach out to pitcher Stephen Strasburg. His quest to quit was recently profiled.
Not all young girls avoid dirt. Hannah Rose Akerley, 7, plays in a gigantic lake of mud at the annual Mud Day event in Westland, Mich., last July.
Bill Pugliano/Getty Images
February 3, 2011 How girls are socialized may account for some disparities in the illnesses that affect them compared with boys. Young boys are more likely to be allowed to get dirty, which may expose them to more germs that help temper their immune systems.
January 26, 2011 Eating local food with friends and family can actually lead to a richer, more fulfilling life, a psychoanalyst at New York Medical College claims.
First lady Michelle Obama and Bill Simon, president and CEO of Wal-Mart's U.S. unit, at a media briefing on the company's food initiative held in Washington, D.C.
Mark Wilson/Getty Images
January 20, 2011 In 2006, Wal-Mart cut prices on a wide range of generic medicines to as little as $4 a month. Some rivals followed suit. The retail giant's push for healthier foods may add to broader pressure for change.
Domestic fowl, like chickens, often are carriers for the new flu viruses that cause human outbreaks.
January 19, 2011 British researchers have inserted a gene into chickens that blocks flu viruses from replicating and spreading to humans. But it could take years before these genetically modified birds end up on your plate.
Fans tailgate outside Heinz Field in Pittsburgh before an NFL divisional playoff football game between the Baltimore Ravens and Pittsburgh Steelers, Saturday, Jan. 15, 2011.
January 18, 2011 In a study at two unnamed stadiums, 40 percent of fans who volunteered for testing were positive for alcohol consumption. About 1 in 12 of the people was legally drunk.
Nurse Maria Aguilar encourages teenager Jesus Ayala during a test of his lung capacity at a Los Angeles clinic in 2007.
David McNew/Getty Images
January 13, 2011 Federal health officials estimate nearly 1 in 12 Americans, or 25 million people have the respiratory disorder. Asthma prevalence is up a little in recent years, but severe attacks have held pretty steady.
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