If you’ve ever wondered why so many kids need braces today, it might not be just genetics. A brand-new study out of the Catholic University of Valencia points to something far simpler — and more modern — as a major factor: the food itself. It turns out that the softer and more processed our diets have become, the less work our jaws are doing. And that lack of chewing has consequences for how children’s faces and smiles develop.
The Problem: A World of Soft, Easy Food
For most of human history, our ancestors chewed through fibrous roots, dense meats, and tough grains. Every meal was a workout for the jaw — a constant mechanical signal telling the bone, “stay strong, stay wide.” Today’s kids live in the opposite world. Smooth yogurts, processed snacks, soft breads, and easy-to-chew foods dominate school lunches and dinner tables. It’s efficient, it’s convenient… but it’s also robbing growing faces of the resistance they need to develop properly. Without that challenge, jaw muscles weaken, and bone growth
slows. The upper and lower jaws stay smaller than they should, creating the perfect storm for crowding, airway restriction, and the need for orthodontic correction down the line.
What the Research Shows
In a recent study conducted by the Catholic University of Valencia and reported in Dentistry Magazine (January 22, 2025), researchers found that children who consumed higher levels of ultra-processed foods had measurably smaller jaws and narrower facial dimensions compared to those eating more natural, fibrous foods. The conclusion was clear: the consistency of what kids eat directly affects how their bones grow. Chewing tougher
textures activates the jaw muscles, which stimulate bone-building cells — much like resistance training for the face. When that stimulus disappears, development slows. As one of the study’s authors summarized, this generation’s diet has become too soft to support the level of mechanical stress human jaws evolved to expect.
https://pubmed.ncbi.nlm.nih.gov/38397313
Why This Matters for Growing Faces
When the jaws don’t get that physical workout, the results show up early — crowded teeth, smaller airways, and flatter facial profiles. These aren’t just cosmetic issues; they affect breathing, sleep, and overall craniofacial balance. Chewing isn’t just about breaking down food — it’s a vital developmental input. Kids who don’t chew enough simply don’t grow the same.
What You Can Do: Bring Back Real Resistance
1. Encourage Foods with Texture and Bite
Reintroduce foods that require a little effort — crisp vegetables, chewy fruits, hearty grains, and well-textured proteins. Encourage slow, mindful eating and nose breathing while chewing. These everyday choices help strengthen the same muscles responsible for jaw and facial growth.
2. Supplement with Structured Chewing Practice
For families trying to bridge the gap between modern diets and the natural demands of growth, Blossom Myofunctional Gum was designed for exactly this reason. Its dense, fibrous texture mimics the resistance found in traditional diets, giving children’s jaws the consistent challenge they’re missing from soft, ultra-processed foods. Used alongside our myofunctional training program, Blossom brings together two vital ingredients:
– Mechanical resistance to stimulate bone growth
– Functional exercises that promote healthy breathing and muscle coordination This simple daily habit helps kids reclaim the natural, expansive growth pattern that our soft-food culture has taken away.
The Takeaway
Our ancestors didn’t need braces — not because they had better genes, but because their food worked harder for them. Today’s soft diets may be convenient, but they’ve left our jaws underdeveloped and our faces missing the strength nature intended. By reintroducing real chewing resistance — whether through whole foods or myofunctional tools like Blossom — we can give kids the stimulus their faces are craving and help them grow into the strong, balanced profiles that nature designed.
Jordon Smith, DDS
“The more you know, the better they grow.”
