Health & Medicine
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Health & MedicineTransplant Triumph: Cloned cow kidneys thrive for months
Cow kidneys and other tissue made by cloning ward off immune rejection after transplantation into cows.
By John Travis -
Health & MedicineDieting woes tied to hunger hormone
A rise in the appetite-enhancing hormone ghrelin after weight loss may explain why dieters regain pounds.
By John Travis -
Health & MedicineArthritis drug fights Crohn’s disease
The inflammation-fighting drug infliximab can hold off the painful symptoms of Crohn's disease for as long as a year in many patients.
By Nathan Seppa -
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Health & MedicineLearning from leprosy’s nerve damage
The bacterium that causes leprosy directly damages a protective sheathing around many nerve cells.
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Health & MedicineWhat Activates AIDS?
New studies suggest that a natural process called immune activation—the signaling that alerts immune cells of foreign invaders—plays a key role in explaining why infection with the human immunodeficiency virus progresses to AIDS more quickly in some people than in others.
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Health & MedicineSickening Food
If food that was going to leave you with gut-wrenching cramps — or more — tasted sickening, few people would indulge. The problem, of course, is that sickening food can taste quite scrumptious. Foods that look, smell, and taste yummy can still harbor disease-causing pathogens. Mead et al./Emerging Infectious Diseases Indeed, when the hour of […]
By Janet Raloff -
Health & MedicineEat Broccoli, Beat Bacteria: Plant compound kills microbe behind ulcers and a cancer
A chemical abundant in broccoli and certain other vegetables kills ulcer-causing Helicobacter pylori bacteria in the laboratory and inhibits stomach cancer in mice.
By Ben Harder -
Health & MedicineRevised Immunity: Drug slows diabetes in young patients
A drug fashioned from a mouse antibody has halted the progression of diabetes in children and young adults who are newly diagnosed with the disease.
By Nathan Seppa -
Health & MedicineE is for Effort from Athletes
It takes a lot of energy to move the body–which is why vigorous exercise burns so many calories. However, both exercise and our body’s conversion of food to usable energy can take a physical toll on muscle. Boston researchers now find that supplementing diets with extra vitamin E can reduce not only muscle damage but […]
By Janet Raloff -
Health & MedicineSleep Time
The International Sleep Medicine Association has created a Web site that brings together a wide variety of information sources concerning sleep health and sleep disorders. It includes access to online video lectures on various aspects of sleep, chat rooms and message boards, and links to news stories. Go to: http://www.1sleep.com/
By Science News -
Health & MedicineLook Ma, Too Much Soy: Hormone in infant food reduces immunity in mice
Large doses of the estrogenlike hormones that occur naturally in soybeans weaken the immune systems of mice.
By Ben Harder