Health & Medicine
- Health & Medicine
Mom’s past drug abuse may alter brain chemistry of offspring
A new study in rats suggests that the lingering effects of adolescent opiate use may be passed on for two generations, even if the female is drug-free when she gets pregnant.
- Life
Rare mutations key to brain disorders
Many cases of mental retardation can be explained by genetic variants that arise in affected individuals.
- Health & Medicine
A new way for blind mice to see
A new type of prosthetic eye can analyze patterns of cell activity to reproduce images similar to those produced in normal vision.
- Health & Medicine
Fructose poses gout risks even in women
Soft drinks are an even more potent source of the fat-generating sugar than had been thought, new research shows.
By Janet Raloff - Health & Medicine
Laptops and infertility: It matters how you sit
Men who keep their legs together while using the computers generate more sperm-endangering scrotal heat than those who splay them, a study finds.
By Nathan Seppa - Life
Soil search suggests broad roots for antibiotic resistance
Drug-defeating genes are everywhere, but don’t blame dirt-dwelling bacteria for resistance seen in the clinic.
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- Life
Genome may be mostly junk after all
A cross-species comparison suggests that more than 90 percent of the DNA in the human genome has no known function.
- Health & Medicine
Immune gene variants help stop HIV
Research on HIV-infected people who rarely develop AIDS might lead to better drugs or a vaccine.
By Nathan Seppa - Tech
Election projections for science investments
The November 2, mid-term election results are in (mostly) and pundits are billing it as a historic turnabout. With a divided Congress, passing legislation — never an easy task — risks becoming harder still. And with fiscal austerity having been a leading campaign issue for the newbies, R&D is unlikely to see a major boost in federal funding during the next two years.
By Janet Raloff - Tech
Plenty of foods harbor BPA, study finds
Some communities have banned the sale of plastic baby bottles and sippy cups that are manufactured using bisphenol A, a hormone-mimicking chemical. In a few grocery stores, cashiers have already begun donning gloves to avoid handling thermal receipt paper whose BPA-based surface coating may rub off on the fingers. But how’s a family to avoid exposure to this contaminant when it taints the food supply?
By Janet Raloff - Health & Medicine
MRIs pinpoint time of stroke
Doing a magnetic resonance scan promptly when a patient arrives at a hospital could render more patients eligible for a time-sensitive clot-busting therapy that can limit brain damage.
By Nathan Seppa