Health & Medicine
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Health & MedicineMedicinal Mimicry
While researchers tease out the mechanisms behind the ability of inert pills and sham procedures to trigger health benefits, the ethics of using such placebos in medical research trials is coming under increasing scrutiny.
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Health & MedicineSuccess clearing clogged arteries
In the past 10 years, angioplasty and other procedures to unblock clogged arteries have steadily improved, probably due to increasing use of wire-mesh tubes called stents to help patients’ arteries stay open.
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Health & MedicineA sticky problem solved
Researchers have identified a protein integral to making blood clot, a finding they hope will lead to better drugs for preventing clots in people at risk of heart attack or stroke.
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Health & MedicineFound: Mutation for deadly nerve disorder
Two research teams have discovered the genetic mutation that causes familial dysautonomia, a lethal hereditary disease that causes nervous system damage.
By Nathan Seppa -
Health & MedicineRadiation therapy keeps arteries clear
Two new studies add to the growing evidence that radiation treatment may keep arteries open longer after angioplasty.
By Linda Wang -
Health & MedicineDietary stress may compromise bones
Internal conflict about what and how much to eat not only induces production of a stress hormone but also may eventually weaken bones.
By Janet Raloff -
Health & MedicineRaloxifene doesn’t hike breast density
Estrogen-replacement therapy that includes estrogen increases breast-tissue density among postmenopausal women, but the estrogen-replacement drug raloxifene doesn’t.
By Nathan Seppa -
Health & MedicineCocaine link to heart attack bolstered
Regular cocaine use may account for one-fourth of nonfatal heart attacks in people under age 45.
By Nathan Seppa -
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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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