Health & Medicine
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HumansMetal water bottles may leach BPA
Consumers who switched from polycarbonate-plastic water bottles to metal ones in hopes of avoiding the risk that bisphenol A will leach into their beverages aren’t necessarily any better off, a new study finds. Some metal water bottles leach even more BPA — an estrogen-mimicking pollutant — than do ones made from the now-pariah plastic.
By Janet Raloff -
ChemistryFats stimulate binge eating
Much like marijuana, fatty foods can spur overeating, a study in rats shows. The new finding also suggests possible therapies to combat the munchies.
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Health & MedicineBody & Brain
A good massage can help, plus bed nets for babies, sugar counteracts fish and more in this week's news.
By Science News -
LifeEnvironment blamed for autism
A new study of twins downplays the role of genes in determining who will get autism.
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Health & MedicineThe Power of D
Sunshine vitamin’s potential health benefits stir up, split scientists.
By Nathan Seppa -
Health & MedicineBody & Brain
The right speed for a caress, plus the punny brain, rocking babies and more in this week’s news.
By Science News -
PsychologySleeping babies learn in an eyeblink
To learn about spoken words and other sounds, 1-month-old babies sleep on it.
By Bruce Bower -
LifeAlzheimer’s plaques due to purging flaw
A gene controls the clearance of a protein that accumulates in the brains of people with the condition.
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EarthBPA makes male mice less macho
Studies show that exposures in the womb or during adolescence can erase masculine habits or reverse sexes' behavior.
By Janet Raloff -
Health & MedicineBright minds tackle global health
Nobel laureates, young scientists meet in Germany to exchange ideas for fighting disease.
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Health & MedicineSnakebite treatment buys time
An ointment that slows the transport of venom from the bite site to the vital organs could keep victims alive long enough to reach medical care.
By Nadia Drake