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Sugar, UPFs and Weight Gain

Jun 3
2 min read

Not all calories are created equal. 200 calories of almonds and 200 calories of soda affect your body in very different ways. Understanding the role of sugar and ultra-processed foods is important for understanding the obesity epidemic.


What are Ultra-Processed Foods?


Ultra-processed foods (UPFs) are products made mostly from industrial ingredients, including additives, preservatives, artificial flavors, refined sugars, and unhealthy fats, with little to no whole food content. Examples include:

  • Sugary drinks (sodas, energy drinks, sweetened juices)

  • Packaged snacks (chips, crackers, cookies)

  • Fast food burgers and fried items Instant noodles and frozen meals

  • Sugary breakfast cereals

  • Flavored yogurts

  • Processed meats (deli meats, hot dogs, bacon)


How Sugar Drives Weight Gain


When you consume large amounts of added sugar, especially in liquid form, several things including the following can happen:

  • Insulin spike: Your pancreas releases insulin to manage blood sugar surges. Repeated spikes can lead to insulin resistance over time

  • Fat storage: Excess sugar that can't be used for energy is converted into fat, often stored in the abdomen.

  • Hunger disruption: Sugar suppresses leptin, the hormone that makes you feel full. While increasing ghrelin, the hormone that makes you feel hungry

  • Dopamine cycle: Sugar activates reward pathways in the brain, making it easy to crave more.


The American Heart Association recommends no more than 25g of added sugar per day for women and 36g for men. A single 12oz soda contains about 39g, which is already over the limit for men and women.


Ultra-Processed Foods and Obesity


Studies consistently show that diets high in ultra-processed foods are strongly linked to obesity, Type 2 diabetes, heart disease, and even certain cancers. One major reason is that UPFs are engineered to make you eat more. Combinations of salt, sugar, and fat override natural fullness signals and make the food more addicting.


How to Reduce Ultra-Processed Food Intake


You do not need to cut out all processed food overnight. Start small:

  • Swap soda for sparkling water with fruit.

  • Choose whole fruit over fruit juice.

  • Read labels: if you cannot pronounce most ingredients, consider a less processed alternative.

  • Try to find the time to cook at home more often. Even simple meals beat most packaged options.

  • Choose snacks with fewer than 5 ingredients.


A Note on Food Access


It is important to acknowledge that ultra-processed foods are often cheaper, more available, and more heavily marketed in lower-income communities. Choosing whole foods is not always easy or affordable, and that is a systemic problem, not a personal one. 


Mindful Munchers advocates for equitable access to healthy food for all communities.

 
 
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