The vast majority of young physicians surveyed by Stanford researchers wouldn't want to receive CPR or cardiac life support if they were terminally ill and their heart or breathing stopped. UygarGeographic/iStockphoto hide caption

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Cornell University in Ithaca, N.Y., says having Medicaid pay for some students' coverage through the school health plan will give those students better options. Alex/Flickr hide caption

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Dr. Lisa Sterman held a Truvada pill at her office in San Francisco in 2012. She prescribed Truvada to patients at high risk for HIV infection even before the Food and Drug Administration approved the medicine explicitly for that purpose. Jeff Chiu/AP hide caption

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Two cervical cancer cells divide in this image from a scanning electron microscope. Steve Gschmeissner/Getty Images/Science Photo Libra hide caption

itoggle caption Steve Gschmeissner/Getty Images/Science Photo Libra