Health & Medicine
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Health & Medicine
Study challenges surgery for lung disease
Patients with the most severe emphysema shouldn't undergo major surgery that removes part of their damaged lungs.
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Health & Medicine
Walking and eating for better health
A low-fat diet and regular exercise can ward off diabetes in people at high risk of developing the disease.
By Susan Milius -
Health & Medicine
Gene implicated in deadly influenza
A strain of influenza virus that struck in Hong Kong in 1997 got some of its lethality from a mutation in the gene encoding an enzyme called PB2.
By Nathan Seppa -
Health & Medicine
Arteries may be vulnerable to HIV attack
HIV may directly interact with cells in arteries, predisposing people to heart attacks.
By John Travis -
Health & Medicine
Immunity’s Eyes
Proteins called toll-like receptors allow human immune cells to detect microbes.
By John Travis -
Health & Medicine
Milk seems to guard against breast cancer
Norwegian scientists have linked high milk consumption to low incidence of breast cancer.
By Janet Raloff -
Health & Medicine
Hindering glutamate slows rat brain cancer
Compounds that inhibit the amino acid glutamate impede a form of brain cancer called glioma in rats.
By Nathan Seppa -
Health & Medicine
Insulin lowers more than blood sugar
Insulin may reduce inflammation and protect the heart.
By John Travis -
Health & Medicine
Healing the heart from within
An unusual mouse strain can regenerate heart tissue when the organ is damaged.
By John Travis -
Health & Medicine
Stem cell research marches on
Cells from human embryos can be transformed into heart cells or insulin-secreting cells.
By John Travis -
Health & Medicine
Drugs Counter Mad Cow Agent in Cells
Fueled only by promising studies of cells, a California research team has invited controversy by beginning to give a little-used malaria drug to patients who have the human version of mad cow disease.
By John Travis -
Health & Medicine
Vaccine Verity
Widely publicized concerns about vaccination leading to autism, multiple sclerosis, and diabetes have not been borne out by research.