Health & Medicine
- 			
			
		Health & MedicineLeukemia overpowers drug in two ways
Researchers discover why the anticancer drug Gleevec, also called STI-571, helps many patients who have chronic myelogenous leukemia but not those who have entered the crisis stage of the disease.
By Nathan Seppa - 			
			
		Health & MedicineComing to Terms with Death
Some newly recognized forms of cell death might be harnessed to aid people with cancer and other serious diseases.
By Janet Raloff - 			
			
		Health & MedicineSoy estrogens: Too much of a good thing?
Two studies of female mice suggest that genistein, an estrogen analog found in soy, could contribute to cancer risk.
By Nathan Seppa - 			
			
		Health & MedicineImmune attack on self halts nerve damage
T cells primed for autoimmune behavior may actually preserve nerves after a damaging blow.
 - 			
			
		Health & MedicineEnzyme defends germ against stomach acid
The newly solved structure of a Helicobacter pylori acid-fighting enzyme has scientists divided about how the enzyme works.
 - 			
			
		Health & MedicineGenetically altered cells ease hemophilia
A gene therapy using skin cells that are genetically modified to make clotting proteins, multiplied in a lab, and reinjected into a person eases some bleeding in patients with severe hemophilia.
By Nathan Seppa - 			
			
		Health & MedicineNew guidelines would cut cholesterol
The National Heart, Lung, and Blood Institute has developed new guidelines for physicians that could triple the number of people taking cholesterol-lowering medication.
By Nathan Seppa - 			
			
		Health & MedicineAngiostatin testing in people begins
Angiostatin, a drug that cured cancer in mice, appears safe to use in preliminary tests on people with cancer.
By Nathan Seppa - 			
			
		Health & MedicineMalaria prevention works in Tanzania
Giving infants intermittent doses of antimalarial drugs during their first year prevents serious illness in most cases and doesn't leave them susceptible to harsh disease in their second year.
By Nathan Seppa - 			
			
		Health & MedicineHeart disease linked to clotting gene
African Americans with a mutation in a blood-clotting gene have a sixfold increase in the risk of heart disease, but this is not the case for white Americans with the same mutation.
 - 			
			
		Health & MedicineStatins’ structure blocks cholesterol
X-ray crystallography shows that statins impede the build-up of cholesterol by physically blocking the binding site of an enzyme important for cholesterol production.
 - 			
			
		Health & MedicineDoes breast-feeding accelerate AIDS?
A study of HIV-infected mothers in Kenya suggests that breast-feeding places them at a health risk.
By Nathan Seppa