Health & Medicine
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Health & MedicineFructose sweeteners may hike blood pressure
The more fructose American adults add to their diets, the higher their blood pressure tends to be. The new finding adds fuel to a simmering controversy about whether this simple sugar — found in fruits, table sugar, soft drinks and many baked goods — poses a health hazard that goes beyond simply consuming too many empty calories.
By Janet Raloff -
Health & MedicineFor most centenarians, longevity is written in the DNA
A study of people who live past 100 reveals many genetic paths to a long life.
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Health & MedicineBreast screening tool finds many missed cancers
A relatively new imaging option outperforms all comers in scouting for hidden breast tumors. Indeed, argues radiologist Rachel Brem, her team’s new data indicate that that “almost 10 percent of women with breast cancer have another [tumor] that we wouldn’t know about without this technology.”
By Janet Raloff -
Health & MedicineStem cells from blood a ‘huge’ milestone
New technique promises to be easier, cheaper and faster than other harvesting methods.
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EarthIvy nanoparticles promise sunblocks and other green products
I’ve developed a love-hate relationship with English ivy that’s been devolving towards hate-hate. But a new paper may temper my antipathy. Apparently this backyard bully also offers a kinder, gentler alternative to the potentially toxic metal-based nanoparticles used in today’s sunscreens.
By Janet Raloff -
Health & MedicineControlling blood sugar may prevent eye problems in diabetes patients
Careful monitoring of glucose levels and taking drugs to control blood lipids and cholesterol can pay dividends, a large trial finds.
By Nathan Seppa -
LifeResveratrol shows activity against insulin resistance and retinal disease
A widely touted anti-aging compound shows activity in people and may work in new ways to fight eye disease.
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Health & MedicineHow resveratrol (in grapes, peanuts and wine) fights fat and disease
Resveratrol, a constituent of grapes and certain other plants, can fight the proliferation of fat cells and improve the uptake of sugar from the blood, a pair of new studies indicate. These observations offer some mechanisms to explain why grape products, including wine, have developed a reputation as heart healthy, obesity-fighting and beneficial for people developing diabetes.
By Janet Raloff -
Health & MedicineSnakes on the brain
In a bizarre experiment, researchers delve into the neural roots of courage.
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Health & MedicineStopping platelets at the source
An experimental treatment may prevent harmful clotting and less need for drugs that increase bleeding risk, a study in baboons shows.
By Nathan Seppa -
Health & MedicineAbuse of pharmaceuticals is rising sharply
In 2008, the most recent year for which data are available, an estimated 1 million Americans entered a hospital emergency room for treatment of an overdose due to “nonmedical” use of an over-the-counter or prescription drug. That’s double the number of such visits five years earlier, federal data show.
By Janet Raloff -
LifeBaby’s first bacteria depend on birth route
C-section newborns may harbor fewer helpful microbes than infants born vaginally.