"I believe that health care is a right, not a privilege," Sen. Bernie Sanders told Denver supporters in February. ColoradoCare supporters hope to leverage his charisma for a win on their state amendment. Marc Piscotty/Getty Images hide caption

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Campaign For Universal Health Care In Colorado Seeks Bernie Sanders' Help

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Surgeon General Vivek Murthy looks at a sample of mosquitoes in Orlando, Fla., on Monday. With him is Department of Health and Human Services Secretary Sylvia Burwell and Orange County Mayor Teresa Jacobs. John Raoux/AP hide caption

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The 307-foot tower at the University of Texas at Austin was the site of mass murder 50 years ago Sunday. Harry Cabluck/AP hide caption

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Gun Violence And Mental Health Laws, 50 Years After Texas Tower Sniper

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Invisibilia: He Mocked Celebrity, Then Came To Crave It Himself

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Diabetes alert dogs are trained to detect low blood glucose in a person. The dogs can cost $20,000, but little research has been done on their effectiveness. Frank Wisneski/Flickr hide caption

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Dr. Michael Frost demonstrates use of Probuphine, an implant that dispenses medication to treat opioid addiction. Karen Shakerdge/WXXI hide caption

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This undated photo was taken of John Hinckley Jr. in front of the White House. He attempted to assassinate President Ronald Reagan in D.C. on March 30, 1981. AFP/AFP/Getty Images hide caption

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Women often save up questions for an annual office visit that they think don't warrant a sick visit to the doctor during the year, research finds. Tim Pannell/Fuse/Getty Images hide caption

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Virginia Sen. Tim Kaine counted health care policy among his chief concerns at a campaign rally for Hillary Clinton in Miami on July 23. Justin Sullivan/Getty Images hide caption

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Memorial Hermann Hospital System in Houston was one of very few nationally renowned hospitals to get a five-star ranking from Medicare. Ed Uthman/Flickr hide caption

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Once scientists grew these Staphylococcus lugdunensis bacteria in a lab dish, they were able to isolate a compound that's lethal to another strain commonly found in the nose that can make us sick — Staphylococcus aureus. Mostly Harmless/Flickr hide caption

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'Nose-y' Bacteria Could Yield A New Way To Fight Infection

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Between 1999 and 2014, the number of deaths in the U.S. from prescribed opioids quadrupled. Meanwhile medical students were getting very little training on how to spot patients who are at risk for addiction, or how to treat it. Matt Lincol/Getty Images/Cultura Exclusive hide caption

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When your health insurer reclassifies a prescription drug you take from tier 1 to tier 2, it can sharply increase the portion of the drug's cost that you're expected to pay. Roberto Machado Noa/LightRocket via Getty Images hide caption

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Parkinson's disease, smoking, certain head injuries and even normal aging can influence our sense of smell. But certain patterns of loss in the ability to identify odors seem pronounced in Alzheimer's, researchers say. CSA Images/Color Printstock Collection/Getty Images hide caption

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A Sniff Test For Alzheimer's Checks For The Ability To Identify Odors

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Four sheep cloned from the same genetic material as Dolly roam the paddocks in Nottingham, England. The University of Nottingham hide caption

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'Sister Clones' Of Dolly The Sheep Are Alive And Kicking

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New drugs like Harvoni effectively cure hepatitis C, but they haven't yet been approved for use in children. Lloyd Fox/Baltimore Sun/TNS via Getty Images hide caption

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Natalie Dunnege and her son, Strazh, work on an art project at home in San Francisco. Her health insurance would cover therapy sessions to help with her depression, Dunnege says, but she hasn't been able to find a counselor who is taking new patients. Sheraz Sadiq/KQED hide caption

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Single Mom's Search For Therapist Hampered By Insurance Companies

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Wen cleansing conditioners combine the functions of a shampoo and a conditioner. The FDA says it is investigating consumer complaints about the products. Jesse Grant/WireImage for Kari Feinstein PR/Getty Images hide caption

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