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blood cells
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Research Feature
In honor of Women’s History Month, the NHLBI will celebrate the accomplishments of women biomedical scientists who have played and are playing key roles in fighting heart, lung, blood, and sleep-related disorders. Check back throughout the month for additions to this impressive list: Denisa Wagner, Ph.D. Dr. Wagner is currently the Edwin Cohn Profe...
human heart anatomy green
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Research Feature
A young woman undergoes a test to detect signs of Marfan syndrome. Credit: Tim Joyce and The Marfan Foundation. For years, people familiar with the rare condition known as Marfan syndrome viewed it as an untreatable disease that too often resulted in early death, mainly from heart problems. The genetic disorder, which acts on the body’s connective...
A nurse takes her patient's blood pressure.
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Research Feature
It is the most sweeping—and significant—study ever of cardiovascular disease in African-Americans. Now experts with the groundbreaking Jackson Heart Study (JHS) are taking stock of some of the many insights gleaned since the study began in 2000. They are insights researchers say will go a long way toward helping boost the long-term health of a grou...
The Jarvik VAD device
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Research Feature
Each year nearly 1,800 U.S. children under age five die of congenital heart defects, and some 60 die while awaiting a heart transplant. A well-designed, miniaturized heart implant could lower those numbers, but achieving this goal has proven elusive. Until now. Last December, the Food and Drug Administration gave the green light for a clinical tria...
man sleeping
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Research Feature
On those nights when you just can’t seem to fall asleep, here’s something to think about: Are you getting enough of the right light during the day and too much at night? Scientists have discovered that light is as essential to optimal health and development as vitamins and exercise. In nature, the sun delivers the entire spectrum of light needed by...
Bold grocery signage written in Choctaw Indian language points consumers to healthier foods
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Research Feature
As our nation commemorates November as Native American Heritage month, it is important to remember the many valuable contributions of the people who first inhabited what is now the United States. Among those contributions is a rich variety of natural foods. Yet, in a bitter twist, many American Indians today have become disconnected from their trad...
human lung anatomy
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Research Feature
OVERVIEW Purpose: To determine whether long-term oxygen treatment is beneficial for group of people with chronic obstructive pulmonary disease (COPD) and moderately low levels of blood oxygen. Background: COPD is the third leading cause of death in the United States, affecting an estimated 15 million Americans. Millions more do not even know that t...
Patient being examined with a stethescope.
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Research Feature
One could say that Larissa Avilés-Santa, M.D., has a photographer’s eye for detail. (Okay, she is a photographer, but more about that later.) Ever since she was a child growing up in Puerto Rico, she looked at things from a different angle, and was often moved by what others were not. “When I opened that fifth grade human anatomy atlas, I immediate...
Sickle cell patient.
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Research Feature
Jennifer Nsenkyire (pronounced ‘century’) has suffered from sickle cell disease for as long as she can remember. As a teenager growing up in her native Ghana, she endured the excruciating pain caused by the condition sometimes for days at a time. At least once a month she had to be hospitalized, and blood transfusions came at a steady, troubling pa...