The CRISPR enzyme (green and red) binds to a stretch of double-stranded DNA (purple and red), preparing to snip out the faulty part. Illustration courtesy of Jennifer Doudna/UC Berkeley hide caption

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A CRISPR Way To Fix Faulty Genes

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3-D Printing Lends Doctors A Hand, Building Tailor-Made Body Parts

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Dorothea Handron suffered an infection after a surgeon unknowingly pierced her bowel during a hernia operation. She became so ill that doctors placed her in a medically induced coma for six weeks. Jim R. Bounds/AP Images for Kaiser Health News hide caption

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Hospitals To Pay Big Fines For Infections, Avoidable Injuries

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Generic hydrocodone plus acetaminophen pills seen in a pharmacy in Montpelier, Vt., in 2013. Toby Talbot/AP hide caption

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Americans Weigh Addiction Risk When Taking Painkillers

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A high-resolution image of the molecular carrier that moves the botulinum toxin from the intestine into the bloodstream. The carrier (silver) creates gaps in the gut lining by grabbing the rope-like molecules (red ribbons) that tether one intestinal cell to the next. Rongsheng Jin, UC Irvine, and Min Dong, Harvard Medical School hide caption

toggle caption Rongsheng Jin, UC Irvine, and Min Dong, Harvard Medical School

Educate And Ask: Key To Living With Sickle Cell Disease

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Andreas Fhager, a biomedical engineer at the Chalmers University of Technology in Sweden, adjusts the Strokefinder device on a test subject's head. Gunilla Brocker hide caption

toggle caption Gunilla Brocker