Few medical guidelines for heart care are based on the highest-quality evidence. Peerawat Kamklay/Getty Images hide caption
Treatments : Shots - Health News Here you can find out how the practice of medicine is changing. We pull together the latest research on medical tests, drugs and other therapies.
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Invisibilia: For Some Teens With Debilitating Pain, The Treatment Is More Pain
Jonah Reeder prepares a special protein shake that helps him manage a metabolic condition called phenylketonuria. Julia Ritchey/KUER hide caption
A Gulp Of Genetically Modified Bacteria Might Someday Treat A Range Of Illnesses
This colorized scanning electron micrograph shows human cells in a lab infected with "pink" influenza viruses. As many as 650,000 people each year die from flu, according to the World Health Organization. Steve Gschmeissner/Science Source hide caption
Spravato, the brand name for esketamine, a newly approved option for treatment-resistant depression. Janssen Pharmaceutica hide caption
A color-enhanced scanning electron micrograph shows HIV particles (orange) infecting a T cell, one of the white blood cells that play a central role in the immune system. Science Source hide caption
Bone Marrow Transplant Renders Second Patient Free Of HIV
Given supportive, nurturing conditions, highly reactive "orchid" children can thrive when tackling challenges, pediatrician and author Thomas Boyce says, especially if they have the comfort of a regular routine. Michael H/Getty Images hide caption
Is Your Child An Orchid Or A Dandelion? Unlocking The Science Of Sensitive Kids
Reports of problems with transvaginal mesh implanted to treat pelvic floor disorders and incontinence in women have led the Food and Drug Administration to scrutinize the product more carefully. Ted S. Warren/AP hide caption
In their classic radio show, Car Talk, hosts Ray and Tom Magliozzi, demonstrated what some doctors consider an ideal example of the thinking doctors need to learn to make a good medical diagnosis. Liz Linder/WBUR hide caption
The common practice of double-booking a lead surgeon's time and letting junior physicians supervise and complete some parts of a surgery is safe for most patients, a study of more than 60,000 operations finds. But there may be a small added risk for a subset of patients. Ian Lishman/Getty Images hide caption
Carol Marley, a hospital nurse with private insurance, says coping with the financial fallout of her pancreatic cancer has been exhausting. Anna Gorman/KHN hide caption
Cancer Complications: Confusing Bills, Maddening Errors And Endless Phone Calls
Jeannette Parker, an animal-loving biologist, stopped to feed a stray cat in a rural area outside Florida's Everglades National Park. Instead of showing appreciation, the cat bit her. Angel Valentín for KHN hide caption
Some patients have started to seek out an oral treatment for food allergies that's not yet widely offered by clinicians. Cat Gwynn/Getty Images hide caption
Scientists around the world criticized Chinese researcher He Jiankui's experimental editing of DNA in embryos that became twin girls. Anthony Wallace/AFP/Getty Images hide caption
Scientists have isolated a molecule with disease-fighting potential in a microbe living on a type of fungus-farming ant (genus Cyphomyrmex). The microbe kills off other hostile microbes attacking the ants' fungus, a food source. Courtesy of Alexander Wild/University of Wisconsin hide caption
A team of researchers in Boston has developed an insulin-delivery system that injects the medicine directly into the stomach wall, which is painless. Felice Frankel/MIT hide caption
Avoiding The Ouch: Scientists Are Working On Ways To Swap The Needle For A Pill
Combining some common antidepressants and opioids can undercut the relief of the painkillers. Daniela Jovanovska-Hristovska/Getty Images hide caption
The Joliet Treatment Center, southwest of Chicago, is one of four facilities now providing mental health care to some of Illinois' sickest inmates. It's a start, say mental health advocates, but many more inmates in Illinois and across the U.S. still await treatment. Christine Herman/Illinois Public Media hide caption
Dieter Egli, a developmental biologist at Columbia University, and Katherine Palmerola examine a newly fertilized egg injected with a CRISPR editing tool. Rob Stein/NPR hide caption
After scientists screened over 8,000 genes in fruit flies, only one, which hadn't been described before, triggered sleepiness. Andrew Syred/Science Source hide caption
The drugs clonazepam and diazepam are both benzodiazepines; they're better known by the brand names Klonopin and Valium. The drug class also includes Ativan, Librium and Halcion. Bloomberg/Getty Images hide caption
Chronic pain is just one health concern women can struggle with after giving birth. Some who have complicated pregnancies or deliveries can experience long-lasting effects to their physical and mental health, researchers find. Mirko Pradelli/EyeEm/Getty Images hide caption
When a former patient died from a lethal combination of methadone and Benadryl, Dr. Ako Jacintho got a letter from the state medical board. Whitney Hayward/Portland Press Herald/Getty Images hide caption