Body & Brain

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OxyContin

PAIN PILLS  Morphine treatment extended the duration of nerve pain in rats, a result that raises questions about the effects of other opioid-based painkillers, such as OxyContin.

illustrations of nanoparticles

NANO VARIETY Nanoparticles can repair blood vessel damage, break up plaques, stop immune molecules from overreacting and even respond to the pressure of plaque-narrowed vessels in animal studies. 

E. coli

SUPERBUG A strain of E. coli resistant to the antibiotic colistin has infected a woman in Pennsylvania (3-D rendering of an E. coli bacteria shown).

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