Humans
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Health & MedicineGene mutation can spur autoimmunity
A mutation of a gene on the X chromosome can lead to a dangerous autoimmune disorder and type I diabetes.
By Nathan Seppa -
Health & MedicineMending a Broken Heart
Transplants of skeletal-muscle cells may help heal hearts damaged by illness or previous heart attacks.
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AnthropologyGene, fossil data back diverse human roots
Ancient mitochondrial DNA extracted from Homo sapiens fossils and anatomical links among H. sapiens crania from different regions both support a theory of geographically diverse human origins.
By Bruce Bower -
Health & MedicineProtein pair induces nerve repair in mice
Mice genetically engineered to make two proteins normally active in early nerve development are able to regrow damaged nerve fibers somewhat in their central nervous systems.
By Nathan Seppa -
Health & MedicineDo Meat and Dairy Harm Aging Bones?
Two studies have contradictory findings about the impacts of animal protein on bones in elderly people.
By Janet Raloff -
Health & MedicineVision: The risks of being too fat or too tall
Excess weight or height can have a blinding impact, fostering the development of cataracts.
By Janet Raloff -
Health & MedicineLupus in Depth
The Lupus Foundation of America provides a comprehensive Web site about this autoimmune disease, which affects up to 1.5 million people in the United States. The site offers information on the kinds of lupus, causes, symptoms, testing, and treatment. Students and researchers may also find it useful to check detailed accounts of ongoing studies. Go […]
By Science News -
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