Health & Medicine
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Health & Medicine
Learning from leprosy’s nerve damage
The bacterium that causes leprosy directly damages a protective sheathing around many nerve cells.
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Health & Medicine
What 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 & Medicine
Sickening 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 & Medicine
The brew for a slimmer you
Green tea contains a compound that triggers the body to burn more fat.
By Janet Raloff -
Health & Medicine
Stem cells repair rat spinal cord damage
Using embryonic stem cells from mice, researchers restored some movement in paralyzed rats that had undergone a crippling spinal injury.
By Nathan Seppa -
Health & Medicine
Eat 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 & Medicine
Revised 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 & Medicine
E 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 & Medicine
Sleep 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 & Medicine
Look 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 -
Health & Medicine
Surgical Option: Removal of ovaries can prevent cancers in women at risk
In women who harbor mutations in one of the BRCA genes, ovary removal reduces the risk of developing ovarian, peritoneal, and breast cancers.
By Nathan Seppa -
Health & Medicine
High elevation linked to hormone dearth
Elderly Peruvian women living at very high altitudes have lower blood concentrations of some key hormones than do their lowland counterparts.
By Nathan Seppa