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I am Intramural Blog

health disparities

Predicting Risks and Benefits for Lung Cancer Screening

IRP Researchers Refine Tools to Maximize the Benefit from Life-Saving Tests

Wednesday, November 16, 2022

patient getting a CT scan

Eleven years ago, IRP senior investigator Hormuzd Katki, Ph.D., had a bit of an eureka moment during a press event announcing the results of the National Lung Cancer Screening Trial, which demonstrated that annual screenings cut the risks of dying from lung cancer in heavy smokers by 20 percent.

“It struck me as I read the trial results that not only was this a very important trial, but that it was possible that different people will have different benefits from lung cancer screening,” Dr. Katki remembers. “Even within this group of very high-risk smokers who were part of the trial, you can identify some people who get much more benefit than other people, and that has implications for who should be offered this kind of screening.”

Research Helps Guide Families Safely Through Pandemic

IRP’s Diana Bianchi Honored for Leading Pediatric COVID Response

Monday, August 29, 2022

Dr. Diana Bianchi

When the first reports of COVID-19 came out, infectious disease experts and healthcare providers thought children might be spared its most dire effects. After all, the news reports and health statistics showed that nearly all serious cases occurred in the elderly, people with certain pre-existing conditions, and those who spent their days and nights caring for COVID patients. However, as case counts rose and disruptions in daily life grew, the medical and psychological effects of COVID on children became apparent — and the impact was alarming. It soon became clear that something had to be done to understand the disease's effects on infants, children and teens, as well as pregnant women and traditionally underserved communities.

It was, appropriately, Mother’s Day when then-NIH Director Francis Collins sought help from Diana W. Bianchi, M.D., Director of the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) and a senior investigator in the National Human Genome Research Institute (NHGRI). An expert in infant health and genetic conditions like Down syndrome, Dr. Bianchi was just the person to initiate large-scale studies across the country to assess the severity of COVID in specific populations, the safety and efficacy of vaccination and treatment, and the impact of mitigation efforts such as masking. For this critical leadership, Dr. Bianchi was named a finalist for the 2022 Samuel J. Heyman Service to America Medal for COVID-19 Response.

African Ancestry May Influence Immune Response to Prostate Cancer

IRP Study Could Help Explain Racial Disparities in Disease Outcomes

Tuesday, July 19, 2022

black man getting blood drawn by nurses

Even as advances in therapy are extending the lives of many cancer patients, there are still stark differences in how likely patients of different races and ethnicities are to die from the disease. A recent IRP study suggests that a weaker immune response against cancer could explain the worse clinical outcomes for Black men with prostate cancer, pointing to potential strategies that could help close this gap.

IRP’s Shannon Zenk Elected to the National Academy of Medicine

Nursing Research Leader Sheds Light on How Neighborhoods Influence Health

Monday, April 4, 2022

Dr. Shannon Zenk

When you think about public health, city planning might not be the first thing that comes to mind. Yet where we live — the quality of the buildings, the availability of places to walk and play safely, and the types of schools and stores in the neighborhood — can profoundly affect our health. This relationship has been emphasized by the COVID-19 pandemic, as close, stuffy living conditions, the need to take public transportation to essential jobs, and inequities in access to testing and vaccination sites all contributed to the larger reduction in life expectancy for Black and Latino Americans compared to Caucasians over the last two years.

Shannon N. Zenk, Ph.D., M.P.H., R.N., F.A.A.N., Director of the National Institute of Nursing Research (NINR), was elected to the National Academy of Medicine in 2021 for her research into how neighborhood characteristics affect the health of residents and contribute to the health disparities seen between communities with different racial and ethnic makeups and different levels of income.

Graduate Student Symposium Spotlights Future Scientists

IRP’s Ph.D. and Medical Students Present Research at Virtual Event

Thursday, March 10, 2022

Khiem Lam

The IRP isn’t concerned only with discovering the secrets of how our bodies work and developing new therapies to treat disease. Senior scientists and many other employees at NIH also are actively involved in training the next generation of researchers. One place where the benefits of those efforts is strikingly clear is at NIH’s annual Graduate Student Research Symposium, where graduate students performing research in NIH labs show of the fruits of their partnerships with IRP researchers.

On February 16 and 17, more than 100 of the IRP’s graduate students presented their work virtually at the 18th edition of the event. These young scientists discussed the results of studies on a huge range of topics, from how hunger changes during pregnancy to how viruses cause cancer. Read on to learn about a small sampling of the projects they’ve been hard at work on.

Postdoc Profile: Finding the Narrative Behind the Numbers

Dr. Shameka Poetry Thomas Documents Black Women’s Experiences With Race and Racism

Thursday, February 3, 2022

Dr. Shameka Poetry Thomas

The numbers are clear: Black women are three to four times more likely to die from pregnancy-related causes than White women in the United States. However, the reasons why are less clear. By listening to patient’s stories, IRP postdoctoral fellow Shameka Thomas, Ph.D. hopes to pinpoint potential explanations for this racial health disparity. 

“We are losing mothers and children because we are simply not listening,” Dr. Thomas says.

Trained as a medical sociologist at the University of Miami, Dr. Thomas has devoted her career to documenting the lived experiences of patients of color, particularly women, who are perceived as Black. Dr. Thomas contextualizes patient’s narratives within a framework of ‘street race,’ which refers to how a person’s racial identity is perceived by others, regardless of their self-reported racial identity. Examining the influence of street race on women’s healthcare experiences, she explains, allows researchers to determine how health disparities are influenced by “how others see you.”

Duo Delves Into Genetics of Diabetes

Drs. Leslie Baier and Robert Hanson Identify Genetic Risk Factors in American Indians

Monday, November 29, 2021

A team of researchers at NIH’s campus in Phoenix, Arizona, is working with the local American Indian community to learn about genetic risk factors for type 2 diabetes.

November is both Diabetes Awareness Month and Native American Heritage Month. Unfortunately, the month of November is not the only link between Indigenous populations and diabetes. Members of minority groups have a much higher risk of developing type 2 diabetes and its many complications compared to the general population, and this is especially true of some American Indian tribes, whose members are twice as likely to have type 2 diabetes as white Americans.

At the Phoenix Epidemiology and Clinical Research Branch in Arizona, part of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), IRP senior investigators Leslie J. Baier, Ph.D., and Robert Hanson, M.D., M.P.H., are working to understand why American Indians living in the southwestern U.S. are disproportionately affected by type 2 diabetes and obesity. Using family histories, medical records, and other data collected during a decades-long study of these communities, combined with extensive analysis of some of their participants’ DNA, their team has identified several genes that contribute to risk for those two conditions, along with some surprising findings about their prevalence.

IRP Research Investigates Tobacco-Related Health Disparities

Dr. Kelvin Choi Studies Commercial Tobacco Use in Underserved Communities

Monday, November 15, 2021

no smoking sign in a city

Each year, millions of smokers in the U.S. attempt to kick the habit. Many begin their journey towards a healthier life with the annual Great American Smokeout, which falls on the third Thursday of November — November 18 this year — and marks a day when all Americans who use commercial tobacco products like cigarettes are encouraged to stop.

While smoking rates in the U.S. have dropped from a hefty 42 percent of the population in 1965 to 14 percent in 2019, it remains the main cause of preventable death globally. In the U.S., 34 million adults still smoke cigarettes, and young people are being lured in by flavored e-cigarettes, which also pose health risks and can lead to smoking cigarettes. These tobacco-related behaviors are also unevenly distributed across the population, meaning some populations suffer the consequences of smoking disproportionately compared with others. IRP senior investigator Kelvin Choi, Ph.D., is working to understand why some groups are more likely to smoke, the effects of continued smoking, and the reciprocal interplay between those factors and health.

IRP’s Gary Gibbons and Eliseo Pérez-Stable Receive Government Award for COVID-19 Response

Pair Leads Public Health Efforts Focused on Underserved Communities

Monday, November 8, 2021

Dr. Gary Gibbons (left) and Dr. Eliseo Pérez-Stable (right)

In the spring of 2020, as the U.S. government implemented public health measures to address the COVID-19 pandemic, it quickly became clear that people in Black, Latino, and American Indian communities were significantly more likely to be hospitalized or die from the new disease than White, non-Hispanic Americans. While the work many scientists did to understand the virus and devise vaccines, diagnostic tests, and treatments made the news regularly, efforts to study and address racial disparities in COVID-19’s impacts were equally important.

When called to lead efforts to shrink those gaps, Gary H. Gibbons, M.D., and Eliseo J. Pérez-Stable, M.D., rose to the challenge. The two IRP investigators, who respectively lead the National Heart, Lung, and Blood Institute (NHLBI) and the National Institute on Minority Health and Health Disparities (NIMHD), helped direct two federal programs dedicated to providing underserved communities with information about, and access to, COVID-19 testing, clinical trials, and vaccines. In recognition of their life-saving work, Drs. Gibbons and Pérez-Stable have been awarded the COVID-19 Response Medal, a special honor bestowed this year as part of the Samuel J. Heyman Service to America Medals. Also known as the “Sammies,” these annual awards recognize and celebrate exceptional work by government employees

Changing the Face of the IRP

Marie A. Bernard Leads NIH Efforts to Recruit “Great Minds That Think Differently”

Monday, September 20, 2021

Dr. Marie A. Bernard

The summer of 2020 will likely be remembered as a turning point in America. The murder of George Floyd and the disproportionate effects of the COVID-19 pandemic on communities of color brought the simmering scourge of racism and race-related disparities to the center of public debate and convinced many Americans that something needs to be done.

The biomedical research enterprise has long dealt with its own inequities as well, including outright discrimination against people from certain groups. As a result, a top priority of the National Institutes of Health is to bring greater equity to the scientific and medical workforce and the patients and communities it serves. In her new role as NIH’s Chief Officer for Scientific Workforce Diversity (COSWD), Marie A. Bernard, M.D., has big plans to push the needle further towards reaching that goal.

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