By Jaiwant Rangi, MD
If you remember one thing from this article, remember this: prediabetes is the last exit before the toll.
Continue in the same direction, and your body may begin paying the price—not only through type 2 diabetes, but through increasing risks to your heart, blood vessels, kidneys, and long-term health.
But the exit is still open.
Prediabetes is not a life sentence. It is a warning that your metabolism is under strain and an opportunity to change direction. What you do now can lower your risk of developing type 2 diabetes and may move your blood sugar back toward the normal range.
First, Take a Breath. Then Take It Seriously.
If a laboratory result came back showing prediabetes, you are not alone, and you are not too late.
More than 2 in 5 U.S. adults have prediabetes, according to current estimates from the Centers for Disease Control and Prevention. About 8 in 10 do not know they have it.
Here is the part many people are never told: prediabetes is a stage, not a fixed destination. It sits between normal glucose regulation and diabetes, and it can move in either direction. Think of it as the last clearly marked exit before the metabolic toll becomes higher.
Take it seriously because the stakes are real—and, for some people, the price may already be starting. In the United States, approximately 10% of people with prediabetes progress to diabetes each year. But progression to diabetes is not the only concern.
“Pre” Does Not Mean “Nothing Is Happening Yet”
The word prediabetes can sound like a waiting room: nothing is happening yet, so come back later. That is misleading.
Prediabetes is associated with increased cardiovascular events and mortality. Research also shows that some people with prediabetes already have early changes involving the eyes, nerves, or kidneys—even though their glucose has not crossed the diabetes threshold.
Here is what the evidence tells us:
- Eyes: A systematic review found retinal changes in people with prediabetes, although estimates varied widely by population and screening method. The median reported prevalence was about 8%. These findings are not always caused by glucose alone, but they show that microvascular changes do not begin neatly at one diagnostic cutoff.
- Nerves: Prediabetes has been linked with peripheral nerve symptoms and early nerve dysfunction. If you have persistent numbness, tingling, burning, or pain in your feet, do not assume it is unimportant simply because you do not have diabetes.
- Kidneys: Prediabetes is associated with kidney risk, particularly when it occurs alongside high blood pressure, obesity, or cardiovascular disease. Urine albumin and kidney-function testing may be appropriate based on your complete risk profile.
- Heart and blood vessels: Glucose risk exists on a continuum. Prediabetes is associated with higher rates of cardiovascular events and mortality than normal glucose regulation, even though it does not prove that elevated glucose alone caused each event.
- Liver: Prediabetes commonly travels with metabolic dysfunction-associated steatotic liver disease, formerly called fatty liver disease. Both often arise from the same underlying insulin resistance and visceral fat.
One long-term analysis found that prediabetes remained associated with modestly higher risks of cardiovascular disease, heart failure, chronic kidney disease, and death even after researchers accounted for who later developed diabetes. Progression to diabetes did not explain all of the risk.
That does not mean prediabetes guarantees heart disease, kidney disease, neuropathy, or vision loss. Association is not destiny, and many of these risks share the same underlying drivers: visceral fat, high blood pressure, abnormal cholesterol, smoking, inactivity, sleep problems, and genetics.
It means prediabetes deserves comprehensive cardiometabolic care now—not after another laboratory result gets worse.
The Hopeful Part: You Can Change Direction
Progression is not inevitable, and early action matters.
In one of the most important studies in this field, people who participated in an intensive lifestyle-change program reduced their risk of developing type 2 diabetes by 58% over approximately three years, compared with people who received placebo and standard lifestyle advice. Benefits from the intervention remained measurable during long-term follow-up.
Some people do more than delay diabetes. They return to normal glucose regulation. Across diabetes-prevention studies, approximately 20–50% of participants have returned to normal glucose regulation, depending on the population, intervention, and definition used. Not everyone will achieve this, but it is a meaningful and realistic possibility for some.
That is what “reversing prediabetes” should mean: moving glucose back toward the normal range and changing the direction of your risk. It does not mean your underlying susceptibility has disappeared forever.
Know What Your Prediabetes Result Means
Prediabetes may be diagnosed using one or more of these laboratory results:
- A1C: 5.7% to 6.4%
- Fasting plasma glucose: 100 to 125 mg/dL
- Two-hour oral glucose tolerance test: 140 to 199 mg/dL
These tests measure different aspects of glucose regulation, so they do not always agree. A1C can also be affected by anemia, kidney disease, pregnancy, blood loss, certain hemoglobin variants, and other conditions.
One borderline number should be interpreted in context. Ask whether your result should be repeated or confirmed and whether another test would provide useful information.
Why Your Blood Sugar Drifted Up
Think of insulin as a key that helps unlock your cells so glucose can leave your blood and be used for energy.
In prediabetes, those “locks” have become harder to open. This is called insulin resistance. Your pancreas compensates by making more insulin to produce the same effect.
For years, your glucose can remain normal while the system quietly strains in the background. Prediabetes is often the moment that strain begins to show.
Insulin resistance can be influenced by genetics, aging, hormonal changes, sleep, stress, medications, and health conditions. Excess visceral fat—fat stored around the abdomen and organs—and physical inactivity are important contributors for many people.
This is why prediabetes is not simply a matter of willpower. People begin with different biology and face different obstacles. The diagnosis is not a moral judgment. It is information you can use.
Take the Exit: Five Moves That Can Change Your Direction
Here is what the strongest evidence points to, translated into practical steps.
1. If Appropriate, Aim for 5–7% Weight Loss
For people with overweight or obesity, losing approximately 5–7% of starting body weight can substantially lower the chance of progressing to diabetes.
For someone who weighs 200 pounds, that is about 10–14 pounds.
You do not need to reach an “ideal” weight before your biology benefits. Modest, sustained loss can improve insulin sensitivity and reduce fat stored in the liver and around the abdominal organs.
Weight loss is not required for every person with prediabetes, and it is not equally easy for everyone. Genetics, medications, menopause, sleep, disability, food access, and other conditions all matter. Some people need structured behavioral treatment, medication, or metabolic surgery—not another generic instruction to “try harder.”
The right target is individualized, safe, and sustainable.
2. Build Toward 150 Minutes of Movement Each Week
The evidence-based target is at least 150 minutes of moderate-intensity activity per week—about 30 minutes on five days.
Exercise is not only about burning calories. Working muscle can take up glucose during activity with much less reliance on insulin, and regular movement improves insulin sensitivity even before major weight loss occurs.
If you are inactive, begin below the final target. Ten minutes of walking after one meal is a legitimate start. Add time gradually.
Include strength training two or three times per week when medically appropriate. Muscle acts as a major destination for glucose. Building and preserving it becomes even more important with age.
Walking, cycling, swimming, resistance bands, light weights, machines, and body-weight exercises can all count. The best exercise is the one you can perform safely and repeat consistently.
3. Eat in a Pattern You Can Maintain
There is no single “prediabetes diet.” Mediterranean-style, DASH, lower-carbohydrate, plant-forward, vegetarian, and other evidence-based approaches can all work.
The common themes are more useful than arguing about one perfect diet:
- Replace sugar-sweetened drinks with water or unsweetened alternatives
- Choose minimally processed foods most of the time
- Include protein and fiber to improve fullness
- Eat more vegetables, legumes, nuts, seeds, and whole fruit
- Choose appropriate portions of higher-fiber carbohydrates
- Reduce refined carbohydrates and ultra-processed foods that make glucose or appetite harder to manage
“Eat real food” is a useful headline, but a real plan must fit your culture, schedule, budget, medications, preferences, and glucose response.
Focus on what you can add—protein, fiber, vegetables, water, and planned meals—not only what you must remove.
4. Protect Your Sleep and Address Stress
Poor sleep can worsen insulin resistance, appetite, cravings, energy, and blood pressure. Chronic stress can raise glucose through hormones such as cortisol and adrenaline.
If you snore loudly, stop breathing during sleep, wake with headaches, or remain exhausted despite spending enough time in bed, ask whether you should be evaluated for sleep apnea. Untreated sleep apnea can make weight and glucose more difficult to manage.
Stress management does not mean pretending life is easy. It may include consistent sleep timing, meditation, breathing exercises, therapy, social support, time outdoors, and better boundaries.
Sleep and stress are not optional extras. They are part of metabolic care.
5. Ask Whether Medication Belongs in Your Plan
Lifestyle change is foundational, but it is not the only tool.
In the Diabetes Prevention Program, metformin reduced progression to type 2 diabetes by 31% compared with placebo. It was particularly effective in certain higher-risk groups, including younger adults with obesity and women with a history of gestational diabetes.
For some people with excess weight, anti-obesity medications may also be appropriate. These treatments can improve weight and glucose regulation, but they have costs, risks, side effects, and eligibility considerations.
Medication is not a failure. The right question is: Which combination of tools gives you the best chance of preventing diabetes and protecting long-term health?
Make that decision with your clinician rather than starting or stopping treatment on your own.
This Is About More Than One Number or One Organ
Prediabetes is not only a glucose warning. It is an opportunity to evaluate your entire cardiometabolic health.
Ask about:
- Blood pressure
- Cholesterol and triglycerides
- Waist circumference and body composition
- Fatty liver risk
- Sleep apnea
- Kidney health
- Urine albumin when clinically appropriate
- Eye or nerve symptoms that need evaluation
- Smoking
- Family and pregnancy history
- Medications that may affect glucose
The same actions that improve glucose—reducing visceral fat, moving regularly, building muscle, improving food quality, and sleeping better—may also improve blood pressure, cholesterol, energy, mobility, and cardiovascular risk.
You are not merely chasing an A1C. You are protecting your heart, brain, kidneys, strength, and healthspan.
Do Not Settle for “Just Watch It”
Too many people receive a prediabetes result with nothing more than “keep an eye on it” and a follow-up scheduled a year later.
That is not a complete plan.
Prediabetes is the stage where action may pay off the most. You deserve a target, a timeline, and a way to measure progress.
Ask your clinician:
- What were my exact results?
- Should we confirm the diagnosis?
- What is likely driving my risk?
- Is weight loss appropriate, and what is my target?
- What activity can I safely begin?
- Should I be evaluated for sleep apnea or fatty liver disease?
- Do my symptoms or risk factors suggest that I need kidney, eye, or nerve evaluation now?
- Would metformin or another treatment be appropriate?
- Would a CDC-recognized Diabetes Prevention Program help me?
- When will we repeat my laboratory testing?
Then ask the most important question: “What is my specific plan, and how will we know whether it is working?”
The Bottom Line
Prediabetes is a window, not a verdict—but it is not a harmless waiting room.
Modest weight loss when appropriate, regular movement, an eating pattern you can live with, better sleep, and—when appropriate—the right medication can reduce your risk and may move your glucose back toward normal.
The earlier you act, the more opportunity you may have.
This is exactly the kind of work my Lower The Dose® approach is built for: improving the foundations so your body can work better, your long-term risks are addressed, and you use the lowest effective treatment burden that safely protects your health.
Do not simply watch the warning light. Take the exit—before the metabolic toll becomes higher.
This article provides general health information and is not a substitute for a personalized plan built with your own clinician. Talk with your care team about which steps are appropriate for you.
Want the full picture—not just your blood sugar? Take the Longevity Quiz at rangimd.com/quiz.
