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Whole Foods vs Processed Foods
A new study published in the journal Cell lands a knockout punch in favor of whole foods.
In the study, 20 volunteers were locked in a “metabolic ward” for a month. In other words, they were stuck in a lab for 28 days while researchers tracked every mouthful of food and all activity.
They divided the volunteers into two groups; for the first two weeks, each group was provided with access to different types of food and allowed to eat at will. One group had access to only whole foods, and the other group had access to only highly processed foods. Many of the foods provided were widely considered “healthy” like yogurt and granola bars.
After two weeks, the groups swapped diets. This is known as a crossover study and crossover studies are important to help establish causality and not just the random chance you got a bunch of folks with big appetites in one group or the other.
As a result, when folks had access to highly processed foods, they ate more of it. 500 calories more of it! That’s an extra meal a day.
Change Your Diet
The entire premise of Robb Wolf’s book Wired To Eat is based on the “hyper-palatability” of ultra-processed foods. They taste really good, which naturally makes us want to eat more. Food chemists for “big food” have put a lot of research into making them that way. (The amount of energy it takes to digest these foods is also much lower, which leaves more left for us to absorb, so it’s kind of a one-two punch really). If you’ve been struggling with your health, or your weight, the very best place to start is by removing as much processed food from your diet as possible. Eating a whole food diet will naturally help you eat fewer calories without having to actually count calories, plus they much more nutritious. That’s a win/win.
If you’re not sure what makes something highly processed or not, a good rule of thumb is to stick to the produce and meat department and buy very little, or no food items off the shelves. If it doesn’t spoil without refrigeration, or if it comes in a bag, box, wrapper or plastic container it’s highly processed.
Wondering which which diet is the best for losing weight & feeling great? Read my article all about it here!
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