medical research medical research

Study participants often answer questions differently, depending on the questioner's gender. Sex hormones can affect results, too. sanjeri/Getty Images hide caption

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A Scientist's Gender Can Skew Research Results

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Gene Therapy Shows Promise For A Growing List Of Diseases

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A new study suggests that some small tumors are small because they are biologically prone to slow growth. Lester Lefkowitz/Getty Images hide caption

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Lester Lefkowitz/Getty Images

Some Small Tumors In Breasts May Not Be So Bad After All

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Turns out humans are better at smelling than you might think. CSA Images/ Color Printstock Col/Vetta/Getty Images hide caption

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CSA Images/ Color Printstock Col/Vetta/Getty Images

Why Your Sense Of Smell Is Better Than You Might Think

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A saliva test allowed scientists to accurately predict how long concussion symptoms would last in children. technotr/Getty Images hide caption

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Spit Test May Reveal The Severity Of A Child's Concussion

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Sam Rowe for NPR

Drugs That Work In Mice Often Fail When Tried In People

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This computer-enhanced barium contrast X-ray shows colon cancer in red. Researchers have been trying to figure out what looks to be a decade-long rise in colon cancer among people younger than 50. Scott Camazine/Science Source hide caption

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Scott Camazine/Science Source

Andie Vaught grasps a stress toy in the shape of a truck as she prepares to have blood drawn as part of a clinical trial for a Zika vaccine at the National Institutes of Health in Bethesda, Md., in November 2016. Allison Shelley/The Washington Post/Getty Images hide caption

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In a cluster of glowing human stem cells, one cell divides. The cell membrane is shown in purple, while DNA in the dividing nucleus is blue. The white fibers linking the nucleus are spindles, which aid in cell division. Allen Institute for Cell Science hide caption

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Allen Institute for Cell Science
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Patients Increasingly Influence The Direction Of Medical Research

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Tommy, a repeat patient at the Supportive Place for Observation and Treatment in Boston, says the room has saved lives. Jesse Costa/WBUR hide caption

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Jesse Costa/WBUR

In Boston's 'Safe Space,' Surprising Insights Into Drug Highs

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Diane, a 4-year-old chimpanzee, relaxes in the trees at the Chimp Haven sanctuary in Keithville, La., on Aug. 25, 2014. She is one of many chimps who have been moved here from the New Iberia Research Center in Lafayette, La. Brandon Wade/AP hide caption

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Brandon Wade/AP
Jamie Jones/Getty Images/Ikon Images

Journal Editors To Researchers: Show Everyone Your Clinical Data

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Lorenzo Gritti for NPR

Is It Safe For Medical Residents To Work 30-Hour Shifts?

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Ronald Davis cares for his 31-year-old son, Whitney Dafoe. Dafoe is seriously ill with ME/CFS. His father, a Stanford University professor, is organizing a study of the disorder. Courtesy of Ashley Davis hide caption

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Courtesy of Ashley Davis