Health & Medicine
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Health & MedicineGoing Under
While every anesthetic drug has its own effect, scientists know little about how the various versions work on the brain to transport patients from normal waking awareness to dreamless nothingness.
By Susan Gaidos -
Health & MedicineBody & Brain
Sleeping babies are growing babies, plus the body-brain connection and women’s circadian clocks in this week’s news.
By Science News -
Health & MedicineBlame brain cells for lack of focus
Denser tissue in a particular brain region may result in higher distractibility, a new study finds.
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Health & MedicineCoronary bypass rates drop
Heart patients have been less likely to undergo the surgery since 2001, with many getting a less invasive procedure.
By Nathan Seppa -
LifeSickle-cell may blunt, not stop, malaria
Once thought to keep parasite out of cells, the trait appears to diminish the severity of infection.
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Health & MedicineBody & Brain
A genetic cause for small brains, heart links to HIV and calcium, and more in this week’s news.
By Science News -
Health & MedicineArmadillos may spread leprosy
A new strain of the disease has shown up in patients and in the animals in parts of the Deep South, suggesting a cause of rare U.S. cases.
By Nathan Seppa -
LifeHalf-asleep rats look wide awake
In a discovery with ominous implications for sleep deprivation, researchers find that some brain regions can doze off while an animal remains active.
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HumansBecause some foods carry organophosphate residues
Three new papers link prenatal exposures to organophosphate (OP) pesticides with diminished IQs in children. Fruits and veggies are one continuing source of exposure to these bug killers. As to what we’re supposed to do with that knowledge — well, the Environmental Working Group, a Washington, D.C.-based advocacy organization, offers some guidance.
By Janet Raloff -
ChemistryPesticides tied to lower IQ in children
Chemicals once sprayed in homes — and still used on farms — were found to have significant effects in three studies.
By Janet Raloff -
Health & MedicineFlies on meth burn through sugar
Cellular effects may explain why addicts often have a sweet tooth.
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Health & MedicineMucus-related gene tied to lung disease
People with pulmonary fibrosis are much more likely to make excess amounts of a normally beneficial protein, a study finds.
By Nathan Seppa