Brianna Moore: The Epidemiologist Decoding How Early-Life Exposures Shape Child Health

Brianna Moore is one of those researchers whose work quietly touches questions almost every parent has wondered about at some point: does what happens before and just after birth really echo through a child’s entire life? As an American epidemiologist and Assistant Professor in the Department of Epidemiology at the University of Colorado Anschutz Medical Campus, she has built her career around answering exactly that. Her focus sits at the intersection of pregnancy, environment, and childhood development, with a particular eye on how exposures like tobacco and cannabis affect the way kids grow, gain weight, and develop neurologically.
Who Is Brianna Moore?
At her core, Brianna Moore is a lifecourse epidemiologist, which is a fancy way of saying she studies how the things that happen at the very start of life shape health outcomes years or even decades later. She holds the title of Assistant Professor in the Department of Epidemiology at CU Anschutz, and she is also connected to the Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, a research hub that aligns perfectly with her interests in growth, metabolism, and chronic disease risk. What makes her stand out is not just the topics she chooses but the way she approaches them, treating pregnancy and infancy as a critical window where small environmental nudges can leave lasting fingerprints. She is the kind of scientist who would rather follow a cohort of children patiently over years than chase quick, flashy conclusions.
Academic Background and Training
Brianna Moore’s path into epidemiology was anything but accidental, and her education reflects a steady deepening of expertise. She earned her PhD in Environmental Health with an Epidemiology specialization from Colorado State University, which gave her the methodological backbone to study environmental exposures rigorously. Before that, she completed both a Master of Science in Health Sciences and a Bachelor of Science in Health Studies at The University of Texas at Tyler, building a strong public health foundation early on. She later completed postdoctoral training in epidemiology at the University of Colorado Anschutz Medical Campus, the same institution where she now holds her faculty position. That progression, from health studies undergraduate to environmental health PhD to faculty epidemiologist, explains why her research feels so grounded in both biology and population-level thinking.
The Heart of Her Research: Tobacco and Cannabis
If you want to understand what truly drives Brianna Moore’s work, look at her central question: when and how does early-life exposure to substances like tobacco and cannabis influence childhood growth and neurodevelopment? This is trickier than it sounds. Tobacco’s harms are relatively well documented, but cannabis is a far murkier area, especially as legalization spreads and more pregnant women are exposed, sometimes without realizing the potential consequences for a developing fetus. Moore digs into these exposures with care, looking at outcomes like body composition, adiposity, and cognitive development rather than relying on broad assumptions. Her areas of expertise include lifecourse epidemiology, tobacco, cannabis, childhood obesity, and neurodevelopment, and she weaves these threads together to ask how prenatal environments quietly set the stage for a child’s metabolic and neurological future. It is the kind of research that turns hazy public anxieties into measurable, evidence-based findings.
The Healthy Start Study and Beyond
A lot of Moore’s most influential work draws on the Healthy Start study, a Colorado-based pregnancy and birth cohort that has become a goldmine for researchers studying early-life influences on health. Using this cohort, she has published findings that genuinely move the conversation forward. Her work in the Journal of Pediatrics examined how fetal exposure to tobacco relates to offspring neurodevelopment, even in children who were not born prematurely or with low birth weight, a nuance that matters enormously for understanding subtle developmental effects. She also explored how maternal active and secondhand smoking ties to early-life growth in a paper published in the International Journal of Obesity, and she contributed important work on neonatal adiposity and childhood obesity in Pediatrics. More recently, her research on fetal cannabis exposure and childhood metabolic outcomes has pushed into territory that is increasingly urgent for public health. Across all of it, the through-line is consistent: she keeps asking what these early exposures mean for a child’s long-term trajectory.
Funded Projects Driving Her Work Forward
Research like this does not happen without serious backing, and Moore has earned competitive funding from some of the most prominent health agencies in the United States. She holds a National Heart, Lung, and Blood Institute R01 grant studying the impact of pregnancy microbiomes on maternal and child cardiovascular health in a racially and ethnically diverse cohort, a multi-year project where she serves as a Multiple Principal Investigator. She is also the Principal Investigator on a National Institute on Drug Abuse R21 grant examining prenatal exposure to cannabis and child cardiometabolic health outcomes, which sits right at the cutting edge of cannabis-and-pregnancy science. On top of that, she is a Multiple Principal Investigator on a National Institutes of Health UG3/UH3 award launching a new Denver-based cohort focused on early life determinants of child health. Taken together, these grants show that her work is not just respected academically but actively trusted and resourced by major funders, which says a lot about where the field sees her contributions heading.
Why Her Work Matters for Public Health
It would be easy to file Brianna Moore’s research under “interesting but niche,” but that would miss the bigger picture. The questions she tackles speak directly to policy, parenting, and prevention. As cannabis becomes legal in more places, expectant parents and clinicians are often left guessing about the real risks, and her research helps replace guesswork with data. Her focus on adiposity and childhood obesity connects to one of the most pressing chronic-disease challenges of our time, while her neurodevelopment work touches the cognitive and behavioral outcomes that shape a child’s whole future. By studying these exposures within diverse cohorts, she also helps ensure that the findings apply to a broad range of families rather than a narrow slice of the population. In a world overflowing with conflicting health advice, the careful, evidence-driven work she does is exactly the kind that eventually filters down into better guidance for real families.
Conclusion
Brianna Moore represents the kind of researcher public health quietly depends on: thorough, curious, and committed to questions that genuinely matter for everyday families. Her work on tobacco and cannabis exposure, childhood growth, adiposity, and neurodevelopment is steadily building a clearer picture of how the earliest moments of life shape long-term health. Backed by major funding and grounded in well-designed cohort studies, she is helping translate complex science into knowledge that can eventually guide better decisions for parents and clinicians alike. As cannabis legalization expands and concerns about childhood health continue to grow, the careful, evidence-based research she produces is only going to become more valuable, and her voice in the field is one worth following.



