Humans
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Health & Medicine
Stressing out
A gene variant reduces people's response to the stress hormone cortisol, and people with the variant are less likely to have risk factors for heart disease and diabetes.
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Archaeology
Maya warfare takes 10 steps forward
The discovery of hieroglyphic-covered steps on the side of a Maya pyramid has yielded new information about warfare between two competing city-states around 1,500 years ago.
By Bruce Bower -
Health & Medicine
Asthma 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 & Medicine
Chemotherapy baldness thwarted in rats
Scientists studying rats have now developed a medication that wards off chemotherapy-induced baldness.
By Nathan Seppa -
Health & Medicine
Protein 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 & Medicine
Getting 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 & Medicine
High 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 & Medicine
Breast 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 & Medicine
Iron Cooking Pots Help Combat Malnutrition
Iron deficiency, the most common nutritional disorder in the world, is a major problem in many developing countries. The World Health Organization (WHO) currently estimates that a mind-boggling 4 to 5 billion people may suffer from some form of iron deficiency–that’s 66 to 88% of the world’s population. Up to 2 billion of these people […]
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Health & Medicine
Into the Tank: Pressurized oxygen is best at countering carbon monoxide exposure
Oxygen treatment for serious carbon monoxide poisoning prevents long-term brain damage best if delivered as pressurized gas.
By Nathan Seppa -
Health & Medicine
Loosen Up
Bacterial toxin may lead to less painful treatments for diabetes and brain cancer.
By John Travis -
Humans
Flame Out: Fishy findings sustain, then snuff, stellar career
Investigators have concluded that a young, up-and-coming physicist repeatedly faked data and committed other types of scientific misconduct.
By Peter Weiss