These HIV viruses even look a little like bull's-eyes.
A. Harrison and P. Feorino/CDC
October 31, 2013 A monkey virus that's a stand-in for HIV plummeted to undetectable levels when animals got potent antibodies of a type recently discovered in some humans. A single antibody injection was enough to do the job.
He's not checking your blood glucose levels. He's playing Words with Friends.
October 30, 2013 Mobile health apps have gotten a lot of attention, but most are not being used, according to an industry analysis. The top-selling apps are diet and fitness trackers. Most apps don't let people enter their own data, and very few are actually designed to help people manage an illness.
Scans from patients with fungal meningitis show evidence of a stroke (left) and arachnoiditis.
New England Journal of Medicine
October 30, 2013 Health problems linger from a fungal meningitis outbreak that sickened hundreds across the country a year ago. Some people are still receiving treatment. And some who got better relapsed for reasons that aren't entirely clear.
A brain that can let other thoughts bubble up despite being in pain might help its owner benefit from meditation or other cognitive therapies.
October 29, 2013 Prescription painkillers don't work for many people, and some people are helped by treatments like meditation that don't rely on drugs. The varied responses may stem from fundamental differences in how people's brains react to pain. Some minds can wander away from pain, while others just can't turn away.
October 28, 2013 A hot-selling drug for multiple sclerosis was derived from an old chemical that is used industrially to make foods sour. The twice-a-day pill called Tecfidera comes at a lofty price, despite its humble origins.
Stacy Riggs of Fairfax, Va., is prepped for a screening for atrial fibrillation by Life Line Screening medical assistant Kennea Blake at Messiah United Methodist Church in Springfield, Va.
Jenny Gold/Kaiser Health News
October 28, 2013 The medical screening tests offered by churches and other nonprofits may sound like a great idea. But some of the tests, which are performed by for-profit companies, are not recommended by national organizations because they can lead to invasive testing and unnecessary treatment.
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This riboflavin-rich material can be used to print intricate, microscopic structures in three dimensions.
Courtesy of North Carolina State University
October 25, 2013 The chemicals used in some 3-D printers can be toxic to humans. So researchers are looking to use naturally occurring vitamin B2 instead. They have already been able to make intricate, microscopic structures with the vitamin-rich material.
October 25, 2013 In his new book Life at the Speed of Light: From the Double Helix to the Dawn of Digital Life, Craig Venter writes of the brave new world synthetic biology may some day deliver: from consumer devices that print out the latest flu vaccine to instruments on Mars landers that analyze Martian DNA and teleport it back to Earth to be studied�"or recreated.
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Hydrocodone, sold as Vicodin and other brand names, may face tighter restrictions on prescribing and use.
October 24, 2013 The painkiller OxyContin is already classified as a Schedule II drug because of the "severe" risk of addiction. Now the Food and Drug Administration wants to move Vicodin and other painkillers containing hydrocodone to Schedule II as well, citing soaring rates of addiction and overdose deaths.
Histoplasma capsulatum is common in soil in the Midwest and Mid-Atlantic. So how did it get a rancher in Montana sick?
October 24, 2013 Infectious disease specialists were surprised when a retired rancher in Montana tested positive for histoplasmosis, a fungal infection common in the Midwest and Mid-Atlantic. The fungus can be spread in bird droppings, but how it got to Montana remains a mystery.
The goals of therapy remain the same, but the business side is undergoing big changes.
October 24, 2013 In the past, many psychotherapists ran their own little businesses. But changes in health care coverage mean that many must start accepting insurance and doing paperwork. That's leading some therapists to form group practices or join large medical groups — and may lead to better care for patients.
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HIV-positive babies rest in an orphanage in Nairobi, Kenya. Treatment right after birth may make it possible for HIV-positive newborns to fight off the virus.
Brent Stirton/Getty Images
October 23, 2013 The news that a baby born HIV-positive in Mississippi stayed HIV-free even though her mother stopped giving her anti-retroviral drugs sparked skepticism earlier this year. But a new report says that the girl is still virus-free at age 3. This could jumpstart a global study on super-early treatment of HIV-positive newborns.
Tyler Engel with his parents, Dave and Jennifer. His doctor and therapist worked with the family to help Tyler recover from a concussion.
October 22, 2013 Many people don't take their doctor's advice to see a psychotherapist, even when they really need to. So Oregon is experimenting with placing clinical psychologists in medical practices. The goal is to improve patient care and save money. But it means that doctors and therapists will have to change how they work.
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Maybe someday Jerry won't be laughing at George's follicularly challenged scalp. But despite scientific advances there's still no cure for baldness.
NBC/NBC via Getty Images
October 21, 2013 The new method might allow doctors to increase the quantity of hair on your head, instead of just moving it around. But don't get too excited. A cure for baldness is not around the corner. The method has been tested only in mice and can produce only a small amount of strange-looking hair.
Women's moods can change based on the phases of their menstrual cycle. But does that mean they have a psychiatric disorder?
Katherine Streeter for NPR
October 21, 2013 Earlier this year premenstrual dysphoric disorder, or PMDD, became a recognized mental disorder. But not everyone is convinced that's a good idea. Some researchers worry that medicalizing this unrelenting form of PMS could be used against women, even though only a small percentage of women meet the criteria.
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