Health & Medicine
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Health & MedicineShots stop allergic reactions to venom
An immune therapy prevents allergic reactions to the sting of the jack jumper ant, a pest common to Australia.
By Nathan Seppa -
Health & MedicineHoming In on Ephedra’s Risks
On Feb. 16, pitcher Steve Bechler of the Baltimore Orioles collapsed while running sprints at the team’s spring-training camp in Florida. He died a few hours later. Subsequent investigation linked the 23-year-old player’s apparent heatstroke with a popular diet aid containing both caffeine and ephedra, a botanical product rich in other natural stimulants. Ephedra plant. […]
By Janet Raloff -
Health & MedicineDeadly Stowaways: Seeds of cancer in transplant recipients are traced back to donors
Precancerous cells that grow into Kaposi's sarcoma are sometimes introduced into a person in an organ transplant.
By Nathan Seppa -
Health & MedicineWeight-loss pill carries risks
The drug ephedra and its presumed active ingredient, ephedrine, provide only modest weight-loss effects and pose health risks.
By Nathan Seppa -
Health & MedicineMicrobicide thwarts AIDS virus in monkey test
A microbicidal gel applied vaginally prevents some transmission of the AIDS virus in monkeys.
By Nathan Seppa -
Health & MedicineA Make-Time-For-Sex Diet?
We’re slaves to our hormones. Teenagers and pregnant women are experts on that topic. Both ride an emotional roller coaster as their bodies produce vacillating amounts of sex hormones. In fact, behind the scenes of all human biology–from conception to death–a delicate interplay of hormones drives everything from the expression of our gender to regulation […]
By Janet Raloff -
Health & MedicineProgress Against Dementia: Drug slows Alzheimer’s in severely ill patients
The drug memantine slows the progression of late-stage Alzheimer's disease in patients previously considered untreatable.
By Nathan Seppa -
Health & MedicineAnother Way Saturated Fats Can Hike Heart Risks
Physicians and health columnists have been exhorting the public for years to pare saturated fats from the diet. Numerous studies have linked heavy consumption of these fats to elevated cholesterol, a major risk factor for heart disease. Now, Johns Hopkins University researchers tie high-saturated-fat diets to a second risk factor for cardiovascular disease: abdominal fat. […]
By Janet Raloff -
Health & MedicinePassive smoking may foster kids’ cavities
Young children exposed to tobacco smoke face a greatly elevated risk of developing cavities in their baby teeth.
By Janet Raloff -
Health & MedicinePrenatal marijuana exposure may pose health risks
Rats that were exposed to a marijuana-related chemical while in the womb show more memory lapses and hyperactivity than unexposed rats do.
By Nathan Seppa -
Health & MedicineThe Vaccinia Dilemma
To inform the current debate on who should be vaccinated for smallpox given the possibility of—or in the event of—a bioterrorism attack, researchers are using mathematical models and data from vaccination campaigns and past smallpox outbreaks.
By Ben Harder -
Health & MedicineCranberry Juice—A Cocktail for the Heart
Chemist Joe Vinson has a passion for foods and the potentially beneficial antioxidants they bring to the dinner table. Cranberry-juice cocktail contains just 27 percent berry juice but still is the second-most potent source of antioxidants among popular fruit juices. Cranberry Institute Three years ago, for instance, he reported data showing that molecule for molecule, […]
By Janet Raloff