The Consequences Of Our Industrialized Food System On Our Health

Most of us aren’t choosing ultra-processed foods because we don’t care about our health; we’re choosing them because the information isn't as well known, because it's cheap, convenient, everywhere, and familiar. But these conveniences come at a cost. As our food system becomes increasingly industrialized, our bodies and our environment are paying the price. Today, much of what fills our carts and plates no longer resembles food as our bodies recognize it. This blog is an invitation to look at how our industrialized food system and the rise of ultra-processed foods are shaping our health, our mental well-being, and our connection to nourishment itself.

What is an ultra-processed food?

More than half of every adult’s calorie intake in the U.S. comes from ultra-processed foods, and global food supplies are increasingly dominated by them. Ultra-processed foods (UPFs) are industrial creations. They go beyond chopping, cooking, preserving…these foods are chemically altered, assembled from ingredients you wouldn’t find in a home kitchen, and engineered to be hyper-palatable, shelf-stable, and cheap. Think sodas, boxed meals, energy drinks, snack chips, instant noodles, and even many packaged breads or breakfast cereals. If it’s quick and convenient…take a look at the ingredients.

What It’s Doing to Our Bodies 

Gut Disruptions

Industrial formulations and additives can disrupt the balance of the gut microbiome and cause inflammation and indigestion. If you tuned in to the past two weeks of the blog, your microbiome is the ecosystem in your digestive tract that plays a foundational role in immunity, inflammation control, and even mood regulation.

Mind effects

Emerging research shows a link between diets high in UPFs and mood challenges such as depression and anxiety. In some studies, people consuming lots of ultra-processed foods see worse mental health outcomes compared to those eating more whole foods. The SMILES trial, led by Deakin University’s Food & Mood Centre, was the first randomized controlled study to show that changing what we eat can directly improve mental health. Participants who shifted away from ultra-processed foods and toward a whole-food, nutrient-dense dietary pattern experienced significantly greater reductions in depressive symptoms than those who received social support alone. In other words, food became a therapeutic tool for the mind, affirming how much mental and emotional well-being are intertwined with the quality of our nourishment. (SMILES Trial, Food & Mood Centre).

Even more body dysfunctions caused by UPFs

Beyond the digestive and mental distress, large population studies have linked higher UPF intake with a greater risk of premature mortality, obesity, cardiovascular disease, and even certain cancers. Because ultra-processed foods are often designed to be rapidly absorbed, they can lead to blood sugar spikes, insulin resistance, and increased risk of metabolic disorders like type 2 diabetes. 

Environmental & cultural impacts

Beyond our bodies, the industrialized food system takes a toll on the land and the cultures it once nourished. My BS is in sustainable food systems & soil science, so this is a topic near & dear to my heart. Monocropping, heavy chemical use, and long supply chains degrade soil, pollute waterways, and increase carbon emissions, while corporate and gov. policies push out small farmers and regional food traditions. Traditional foodways rooted in community, seasonality, and celebration are being displaced by convenience and corporate control. When profit outweighs ecology and culture, we lose more than nutrients… we lose connection.

Don't let convenience replace seasonality

speed replaces ritual,

or food loses its connection to place, community, and care.

Reclaiming Health 

So what can we do in a world where ultra-processed foods are cheap, ubiquitous, and addictive?

Start with awareness: Reading ingredient lists is a small habit with a big impact. If the ingredients include things you don't recognize, it’s likely more processed than you think.

Prioritize whole food building blocks: Fruits, vegetables, legumes, whole grains, nuts, seeds, and real proteins. These are the foods that nourish our microbiome, steady our mood, and support sustained energy.

Support systemic change: Individual choices matter!! Food policies will only change if we encourage them. Supporting local farmers, advocating for clearer labeling, and pushing for food systems that prioritize public health over corporate profit can be the change-maker.

Rebuild community around food: Shared meals, cooking traditions, food education…these reconnect us not just to nutrients, but to the belonging, meaning, and nourishment food is supposed to bring us together to celebrate.

Resources: 

Martins, G. M. dos S., et al. (2021). Intake of ultra-processed foods is associated with metabolic changes and inflammation processes. 

https://pmc.ncbi.nlm.nih.gov/articles/PMC6682904/

Coulson, M. (2025, November 10). What are ultra-processed foods? Johns Hopkins Bloomberg School of Public Health. https://publichealth.jhu.edu/2025/what-are-ultra-processed-foods

Lugavere, M., & Gray, T. (Hosts). (2025, December 31). 538: Ultra-Processed Foods, Inflammation and the Hidden Risk to Your Brain (No. 538) [Audio podcast episode]. In The Genius Life. Apple Podcasts. https://podcasts.apple.com/us/podcast/538-ultra-processed-foods-inflammation-and-the/id1379050662?i=1000743317421

Jacka, F. N., et al. (2017). A randomised controlled trial of dietary improvement for adults with major depression (the SMILES trial). BMC Medicine, 15, 23. https://doi.org/10.1186/s12916-017-0791-y