Health & Medicine
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Health & Medicine
Alzheimer’s vaccine trial is suspended
A drug company in Ireland has halted tests of an experimental vaccine for Alzheimer's disease.
By John Travis -
Health & Medicine
Vitamin Void: Heart disease may lurk in B12 deficiency
Meatless eating typically improves cardiovascular health, but a dietary shortage of vitamin B12 may lead to an overabundance of the amino acid homocysteine in some vegetarians, which could pose a risk to their hearts.
By Ben Harder -
Health & Medicine
Antibody Warfare: Vaccine halts microbes in dialysis patients
A vaccine protects many kidney-dialysis patients from blood infection caused by the Staphylococcus aureus bacterium.
By Nathan Seppa -
Health & Medicine
Low birth weight matters later, too
Premature babies weighing less than 1.5 kilograms at birth grow up to have lower achievement scores on standard tests and are less likely to go to college than are full-term babies weighing more than twice as much.
By Nathan Seppa -
Health & Medicine
The Hunger Hormone?
Scientists may have finally found the body’s dinner bell.
By John Travis -
Health & Medicine
Slowing lupus: Stifled inflammation limits kidney damage
A new therapy for the autoimmune disease lupus works in mice by thwarting activation of immune-system proteins called complement.
By Nathan Seppa -
Health & Medicine
Taking a toll: Antiviral drugs activate immune system
Promising antiviral drugs activate a key immune-system protein.
By John Travis -
Health & Medicine
Heart recipients add their own cells
Transplanted hearts incorporate muscle and blood-vessel cells from their new host, suggesting that the heart may regenerate its own tissue.
By Nathan Seppa -
Health & Medicine
DREAMing away pain
Mutant mice lacking a certain regulatory protein overproduce a natural opioid and are less sensitive to pain than are other mice.
By John Travis -
Health & Medicine
An El Niño link with a tropical disease?
An analysis of recent outbreaks of an often fatal disease in Peru may strengthen a link between the malady and the warming of the tropical Pacific Ocean known as El Niño.
By Sid Perkins -
Health & Medicine
Compound mimics calorie restriction
A new compound, part of a family of proteins that regulate fat transport, lowers the risk of developing heart disease and diabetes in monkeys.
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Health & Medicine
Ominous signals: Genes may identify the worst breast cancers
By using a technology that reveals patterns of gene activity in tumor cells, researchers can detect breast cancers that are likely to spread and become deadly.
By Nathan Seppa