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I am Intramural Blog

nutrition

Metabolic Inflexibility Drives Increased Appetite

IRP Research Could Aid Personalized Weight Loss Recommendations

Tuesday, July 9, 2024

person eating an over-sized burger

We all know the stereotype of the picky child who shuns vegetables unless they’re smothered in ranch dressing or cheese. Surprisingly, the human body can also be similarly choosy about how it fuels itself. New IRP research shows that people whose bodies prefer to raid their sugar depots rather than use stored fat during a period without food consume more calories after their fast, suggesting a possible explanation for why some people are more prone to gaining weight over time or have less success with certain weight loss interventions.

Breaking Down the Meat We Eat

IRP Research Explores the Health Effects of Specific Dietary Components

Monday, March 25, 2024

examining a raw steak with a magnifying glass

When Hippocrates said, “Let food by thy medicine and medicine thy food,” he was on to something. That’s why National Nutrition Month, celebrated every March, calls attention to the important link between health and diet. To commemorate Nutrition Month this year, we spoke with IRP senior investigator Rashmi Sinha, Ph.D., about her efforts to tease out not only which foods help or harm out bodies, but why they do so.

Determining the health effects of different foods has long been a holy grail in research, but with so many variables, our knowledge remains vague at best. Some foods — processed meats, certain fats, sugar — clearly have negative effects when eaten in large amounts, while others like green vegetables and legumes are helpful. Unfortunately, there are a lot of unknowns in between.

A History of NIH in 12 Objects

Lecture Explains Trinkets’ Links to Important Milestones

Monday, January 8, 2024

watch fob

The history of NIH and its precursor institution, the Hygienic Laboratory, stretches back nearly 140 years — way longer than any human being has ever lived. Even when those who have witnessed history are still around, the fading of memories threatens to erase our knowledge of the past. Fortunately, with proper storage and care, objects like those in the collections of the Office of NIH History and Stetten Museum can last hundreds of years, providing enduring reminders of important historical milestones.

On December 11, Stetten Museum curator Michele Lyons used a dozen such objects to describe the evolution of NIH from its origins to the modern day. Her presentation touched on topics ranging from NIH’s founding in New York to its key role in creating national standards for heart valve replacement surgery to the American AIDS crisis of the 1980s and 1990s.

Cooking Up a Recipe for Healthier Eating

IRP’s Tonja Nansel Probes the Hidden Forces Behind Our Food Choices

Monday, October 16, 2023

person holding an apple and a donut

As legendary chef James Beard once said, “Food is our common ground, a universal experience.” Beyond a basic need to stay alive and obtain healthful nutrients, food is a source of pleasure, a reflection of culture, and a link to others. However, for many of us, food is also a challenge. There’s the food we love and the food that’s good for us, and the two aren’t always the same.

As we celebrate World Food Day on October 16, we spoke with IRP senior investigator Tonja Nansel, Ph.D., who is seeking explanations for the nutritional choices we make.

“The dietary quality of the U.S. population is well below recommended guidelines, and that’s the case regardless of income, education, and background,” Dr. Nansel says. “Simply put, we’re all eating badly.”

Postbac Poster Day Returns to NIH Campus

Budding Scientists Assemble for First Time Since 2019

Monday, May 22, 2023

IRP postbac fellow Vernon Kennedy with his poster at Postbac Poster Day

In many ways, working at NIH feels like being at a world-renowned university, complete with a variety of classes, intellectually stimulating lectures, social events, and opportunities for professional development. It’s no wonder, then, that NIH has long been a destination for young people who have just departed from their alma maters with their newly earned undergraduate degrees.

These new graduates come to the IRP to hone their scientific skills in NIH’s Postbac IRTA program, conducting research in IRP labs for one or two years under the expert guidance of the IRP’s seasoned investigators. The program also provides the opportunity once per year for participants to present the fruits of their efforts to all their IRP colleagues at Postbac Poster Day, and this year’s event on April 19 and 20 was the first to include an in-person component since 2019. Read on to learn about a few of the nearly 1,000 postbacs who showed off their research at this year’s event, which spanned fields from neuroscience and cancer to genetics and virtual reality.

Moms’ Caffeine Consumption May Affect Babies’ Brains

Findings Could Explain Why Caffeine Exposure In-Utero Increases Kids’ Risk for Obesity

Tuesday, February 21, 2023

steaming cup of coffee

Between books, the media, and well-meaning friends and relatives, new parents are inundated with advice about how to set their kids up for a happy and healthy future. However, what parents do before their children are even born can also have a huge impact on how they turn out. For instance, new IRP research suggests that a pregnant woman’s caffeine consumption can rewire her baby’s brain in ways that put the child at increased risk for obesity later in life.

Boosting Brain Activity to Suppress Snacking

Non-Invasive Stimulation Method May Improve Self-Regulation Around Food

Tuesday, November 22, 2022

a box of donuts

Marketers make a living from the fact that merely seeing an advertisement for junk food can spur a sudden craving for potato chips or sugary cereal. Some people have an easier time than others resisting such urges, and over-consuming that sort of food can have problematic consequences for health. Findings from a recent IRP study suggest that stimulating a particular part of the brain might help people who struggle with obesity by enhancing their ability to control their desire to snack.

Modified Soybeans May Provide Cardiovascular Benefits

Mouse Study Suggests Simple Ingredient Swap Could Improve Public Health

Tuesday, November 8, 2022

soybeans

When it comes to consuming a healthy diet, “everything in moderation” is a common piece of advice. In fact, evidence is accumulating that eating lots of a particular dietary fat thought to promote cardiovascular health may actually be problematic. A recent IRP study performed in mice suggests that vegetable oil made from a modified soybean may decrease the risk for cardiovascular disease by helping people strike the right balance in their consumption of two different types of fat.

Poster Days Spotlight Young Researchers

Budding Scientists Showcase Research at Annual Event

Wednesday, May 25, 2022

Yasmin Ali

Any scientist who wants to make game-changing discoveries has to start somewhere — even Albert Einstein worked in a patent office before landing his first job in academia. Through its Postbaccalaureate IRTA program, NIH hopes to give aspiring scientists more of a leg up than Einstein had by bringing them into IRP labs after they complete their undergraduate studies.

On April 26, 27, and 28, more than 900 recent college graduates participating in the program presented at this year’s virtual Postbac Poster Days. Read on to learn about a few of these young researchers and their contributions to the groundbreaking work being done at NIH.

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.

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