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Excited to share our latest research study where we looked at the links between ultra processed foods and brain developm...
06/02/2026

Excited to share our latest research study where we looked at the links between ultra processed foods and brain development. In our new study published in the American Journal of Clinical Nutrition, we followed children from infancy to age 6 and examined how ultra-processed food (UPF) consumption related to brain development.

We found that children who consumed more ultra-processed foods had smaller volumes in several brain regions involved in emotion, motivation, and reward processing.

Interestingly, we did not find differences in cognitive performance at ages 2 or 6.

These findings suggest that the effects of diet on the developing brain may emerge before changes can be detected in behavior or cognition.

More research is needed, but the study highlights the importance of nutrition during the earliest years of life.

Pediatrics HealthyEating PublicHealth AJCN

Excited to share our new paper published yesterday in the American Journal of Clinical Nutrition examining how infant fo...
05/20/2026

Excited to share our new paper published yesterday in the American Journal of Clinical Nutrition examining how infant formula carbohydrate source influences early glucose regulation.
 
Using continuous glucose monitoring in infants, we found that breastfed babies and babies fed lactose-based formula maintained a very stable blood glucose level throughout the day.
 
However, babies fed formulas containing corn syrup solids had much greater glycemic variability, including a subgroup of infants with particularly unstable glucose patterns with multiple daily spikes and crashes.
 
Importantly, these findings build on our prior work linking corn syrup–based formulas with increased obesity risk in early childhood and contribute to ongoing national discussions around infant formula composition and FDA modernization efforts through Operation Stork Speed.
 
This work highlights the importance of understanding not just how much infants eat — but how different nutrients may shape early metabolic development.
 
Grateful to the brave babies for wearing the monitors and the mums and dads who agreed to participate, and also to our incredible research team who collected and analyzed this data.
 
Link to Full Article in Bio
 
InfantFormula AJCN Research

When nutrition gets noisy, look at the strength of the evidence.This graphic summarizes findings from umbrella reviews c...
02/12/2026

When nutrition gets noisy, look at the strength of the evidence.

This graphic summarizes findings from umbrella reviews conducted for the Dietary Guidelines — synthesizing dozens of meta-analyses across major health outcomes.

High-certainty evidence shows:
• Highly processed foods → ↑ risk of type 2 diabetes, dementia, depression
• Sugar-sweetened beverages → ↑ dental caries
• Whole grains → ↓ mortality and cardiovascular disease

Moderate-certainty evidence links:
• Highly processed foods → ↑ obesity, cardiovascular disease, overall cancer
• Sugar-sweetened beverages → ↑ type 2 diabetes and weight gain

Diet beverages - ↑all cause mortality, cognitive issues

• Whole grains → ↓ colorectal cancer

Many associations show dose–response patterns — risk increases as intake increases.

The science isn’t perfect.
But the signal is consistent.

Fewer highly processed foods.
Fewer sugary/sweet drinks.
More whole grains.

This is where the evidence converges.






HealthyEating
ChronicDisease
PreventiveHealth

I had the opportunity to serve as a scientific adviser for the newest U.S. Dietary Guidelines and to help evaluate where...
02/06/2026

I had the opportunity to serve as a scientific adviser for the newest U.S. Dietary Guidelines and to help evaluate where the evidence is strongest when it comes to diet and chronic disease risk.

In this article for The Conversation, I break down what the science consistently shows — and why simple shifts like reducing highly processed foods, cutting back on sweetened beverages, and increasing whole grains can have a meaningful impact on health.
If the guidelines left you feeling confused, this piece is meant to bring clarity.

📖 Read the full article (link in bio)

Save • Share • Start with one small change

Healthy eating doesn’t have to mean cooking everything from scratch. Kitchen processing is about taking control back fro...
02/04/2026

Healthy eating doesn’t have to mean cooking everything from scratch.

Kitchen processing is about taking control back from factories and making simple, intentional choices at home.

Small changes. Big impact. Your choices, your kitchen.

To hear more nutritional tips and posts, visit my LinkedIn ✅

01/30/2026

☕️ Welcome to Tea with Dr. G

I’m excited to introduce Tea with Dr. G, a new conversation series focused on research, leadership, and real-world impact. In this first episode, I share a bit about who I am, the work I do, and the vision behind creating this space for meaningful dialogue.

Pour a cup and join the conversation ☕️

The latest Dietary Guidelines have sparked a lot of discussion around food — but the evidence base for beverages often g...
01/26/2026

The latest Dietary Guidelines have sparked a lot of discussion around food — but the evidence base for beverages often gets overlooked.

During the Scientific Advisory process, I led an umbrella review pulling together meta-analyses on sugar-sweetened beverages, 100% fruit juice, and non-sugar-sweetened (“diet”) beverages to better understand their health impacts.

What we drink plays a bigger role in health than most people realize.

🔗 Full report available — link in bio

The biggest evidence signals in the new Dietary Guidelines weren’t about protein, saturated fat, beef or dairy — they we...
01/22/2026

The biggest evidence signals in the new Dietary Guidelines weren’t about protein, saturated fat, beef or dairy — they were about highly processed foods, sugary beverages, and whole grains.
These are common-ground issues with measurable effects and broad benefits.
They’re also highly actionable at both policy level (school meals, WIC/SNAP, procurement) and household level (kitchen swaps + small shifts).
Small shifts. Big impact.

SmallShiftsBigImpact

Earlier this month, Michael Goran, PhD (SCCLH Center Director and PI for Project 1) was one of two finalists for the Dea...
10/31/2024

Earlier this month, Michael Goran, PhD (SCCLH Center Director and PI for Project 1) was one of two finalists for the Dean’s Award for Excellence in Mentoring at the USC Keck School of Medicine.

Today,, Dr. Goran was presented with the first Goran Lab Mentoring Award for his dedication to staff growth and development. To celebrate this award (and Halloween), the Goran Lab team dressed up like Dr. Goran. Happy Halloween!

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