Health & Medicine
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Health & MedicineForget about jet lag, and much more
Airline flight attendants with chronic jet lag have higher stress hormone concentrations and smaller temporal lobes (centers of short-term memory in the brain)than do more rested attendants.
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Health & MedicineProstate protection? This is fishy
Diets rich in fish may cut a man's risk of prostate cancer.
By Janet Raloff -
Health & MedicineTofu May Get the Lead Out
Lead, a toxic heavy metal, can show up in the most unexpected places. For instance, several recent studies documented a worrisome tainting of calcium supplements. Just last month, some Mexican lollipops were recalled from U.S. stores upon a finding that their wrappers had leached lead into the candy. And recently, this column recounted the perils […]
By Janet Raloff -
Health & MedicineStudies suggest how salad may protect heart
Lutein, a yellow pigment in many fruits and vegetables, may inhibit processes that jump-start the development of atherosclerosis.
By Janet Raloff -
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.
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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.
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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