You Were Never Losing a Battle Against Yourself
Most of my patients have spent years believing their weight is a willpower problem. It is not. Modern food was engineered to defeat the exact system that is supposed to tell you when to stop.
Why I Talk About Food Before I Talk About Surgery
I have had a version of the same conversation thousands of times. A patient sits across from me and, somewhere in the first few minutes, apologizes. For their weight. For what they eat. For not having more discipline. They have decided, long before walking into my office, that this is a personal failing.
I want to say this as clearly as I can: it is not. What you are up against was designed — deliberately, by people with laboratories and research budgets — to be difficult to stop eating. Your appetite is a survival system that worked beautifully for a hundred thousand years. It is now operating in an environment built specifically to exploit it.
That reframe matters medically, not just emotionally. If you believe the problem is your character, the only treatment is trying harder — and trying harder has already failed you. If you understand the problem is your food environment and your metabolism, then it becomes something we can actually work on.
— Meghan McGovern, MD, board-certified plastic and reconstructive surgeon
Three Things Engineered Into Your Food
A taste built to be irresistible
Food scientists learned decades ago that for sweetness, salt, and fat there is a precise level that keeps you reaching for more — enjoy it too little and you stop, enjoy it too much and you also stop. Products are formulated to sit exactly on that point. In nature, high fat and high sugar almost never occur together, so your brain never needed an off switch for the combination.
Calories you cannot feel
Ultra-processed snacks are designed to dissolve almost instantly and require barely any chewing. When food disappears that fast, your brain registers very little as having been eaten — so it never sends the signal to slow down. The bag empties and you do not feel like you ate.
A twenty-minute head start
Your stomach takes roughly twenty minutes to tell your brain you are full. Whole food is slow to eat, so that delay never mattered. Soft, engineered food is fast — which means several hundred extra calories can arrive before the fullness signal ever lands.
There is a fourth effect, and it is the one my patients recognize instantly: the more often you eat these foods, the less pleasure they give you. The reward response dulls, so you reach for more to get back to where you started. You are chasing a feeling that keeps shrinking.
It Is Not a Theory. It Was Measured.
In 2019, researchers at the National Institutes of Health did something rarely possible in nutrition science. Twenty adults lived in a research facility for a month, where every bite they ate was weighed and recorded. For two weeks they were given whole, minimally processed food. For the other two weeks, the same calories and nutrients were delivered as ultra-processed food.
Nobody was put on a diet. Participants could eat as much or as little as they wanted. On the ultra-processed diet, they ate about 500 more calories per day — and gained weight. On the whole-food diet, the same people lost it.
Same people. Same month. The only variable was the food in front of them. That study is the clearest answer I can give to a patient who believes this is about discipline.
Hall KD et al., Cell Metabolism, 2019 — NIH inpatient randomized controlled trial.
What We Actually Do About It
Nutrition is not an add-on at RenewalMD. It is the foundation underneath every result we create — surgical or not.
Food that your body recognizes
We start with what you actually eat in a normal week — not an idealized version of it. The goal is not restriction. It is replacing engineered food with food your body knows how to read, so your hunger signals start telling you the truth again.
Protein, fiber, and the fullness you can feel
Protein and fiber are the two things engineered food strips out, and they are the two things that make you feel full. Getting them right does more for appetite than any amount of willpower, and it protects lean muscle while you lose fat.
Metabolic health, measured
We look at the objective picture — labs, body composition, medications, sleep, thyroid and hormonal factors. Weight is a symptom. I want to know what is driving it before we decide what to do about it.
Medication when it is the right tool
For some patients, a physician-supervised GLP-1 program is the tool that makes everything else possible. For others it is not necessary at all. That is a medical decision we make together, and nutrition comes first either way.
Peptides, Honestly: What Works and What Is Still Unproven
I write and lecture on nutrition, peptides, and hormones in surgical care. This is the plain-language version of what I tell my own patients.
What a peptide actually is
Your body runs on messages. Peptides are the messengers — short strings of amino acids that tell cells how to behave, from how much inflammation to mount to how efficiently to burn fuel. The biology is real and it is exciting. It is also the reason the word now appears on the label of almost anything anyone wants to sell you.
The ones I use
GLP-1 medications are peptides. Semaglutide, tirzepatide, and the newer dual and triple agonists have been studied in large numbers of real people, and for patients carrying metabolic disease they can change the baseline you bring into a procedure. When I use a peptide, it is because there are human trials behind it — not a testimonial.
The ones I do not
You will see sermorelin, BPC-157 and similar compounds marketed aggressively for healing and anti-aging. Some may eventually prove useful. Right now the studies that would establish whether they are safe and whether they work simply have not been done, which is why regulators have limited them. I am not comfortable charging a patient for a hypothesis. If that changes, you will hear it from me.
On a GLP-1 and scheduling surgery? Plan on a month off it, not a week.
These medications work partly by slowing how quickly your stomach empties. That is helpful for appetite and unhelpful for anesthesia: anything still sitting in the stomach when you go to sleep is a risk. Published anesthesia guidance lands around a one-week hold. I ask for three to four. These drugs clear slowly, and how fast normal stomach emptying returns varies more between patients than a single number can capture.
I did not arrive at that from reading. We scan the stomach with ultrasound at the preoperative visit, and it has changed how I practice. One woman came in for abdominoplasty on a maintenance dose long after her weight loss — healthy, no complaints, nothing to eat since dinner the night before. Her scan showed a stomach that was far from empty. We postponed, she held her injections for three weeks, we scanned again, and that time it was clear. Elective surgery is the one setting where waiting costs nothing. So we wait.
What Patients Ask Me
Let's Start With What You Eat
A nutrition and metabolic consultation with Dr. McGovern at our Mohawk Street office in Savannah or Merchant Way office in Statesboro. No lecture, no judgment — a plan.