Health & Medicine
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Health & MedicineBoning up on calcium shouldn’t be sporadic
The gains in bone health can quickly disappear when people stop taking extra calcium.
By Janet Raloff -
Health & MedicineBreast cancer options made clearer
An inexpensive test for two proteins in the blood can indicate whether women with breast cancer that hasn't yet spread to lymph nodes are likely to face such a relapse after surgery.
By Nathan Seppa -
Health & MedicineHigh estrogen linked to lung cancer
Estrogen receptors proliferating on tumor cells in women's lungs may account for why women seem more easily affected by the carcinogenic effects of tobacco smoke.
By Nathan Seppa -
Health & MedicineGetting melanoma chemotherapy to work
A drug that turns off a gene that blocks the action of chemotherapy in melanoma shows promise against this lethal skin cancer.
By Nathan Seppa -
Health & MedicineProtein predicts prostate cancer spread
Prostate cancer patients who harbor high concentrations of a protein called thymosine beta-15 in their tumors face an increased risk that the cancer will spread.
By Nathan Seppa -
Health & MedicineChemotherapy baldness thwarted in rats
Scientists studying rats have now developed a medication that wards off chemotherapy-induced baldness.
By Nathan Seppa -
Health & MedicineAsthma pressure may shrink airways
Mechanical stress from constricting muscles could cause airway-lining cells to reproduce, eventually thickening the lining and narrowing the air passage.
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Health & MedicinePanel ups RDAs for some antioxidants
An Institute of Medicine panel reported that dietary antioxidants such as vitamins A and E can limit cellular damage from free radicals but warned that studies in people have never adequately established a direct connection between antioxidant consumption and prevention of chronic disease.
By Janet Raloff -
Health & MedicineSilencing the BRCA1 gene spells trouble
Some breast cancer patients without a mutation in the BRCA1 gene nevertheless have an incapacitated gene, silenced by a process called hypermethylation of nearby DNA.
By Nathan Seppa -
Health & MedicineThe New GI Tracts
For preventing heart disease, diets that control insulin are all the buzz.
By Janet Raloff -
Health & MedicineTests may better detect prostate cancer
Two novel tests for prostate cancer may help physicians catch this disease earlier and with far fewer false alarms.
By Nathan Seppa