Written by Dr. Matthew Capozzi, DPM, FACFAS, CWS (board-certified foot surgeon and wound specialist) · Medically reviewed by the CircuFiber Scientific Advisory Board · Updated: October 27, 2026
The diabetes risk factors you can control are your weight, your diet, how much you move, whether you smoke, how much alcohol you drink, and how well you manage stress and sleep. Age, family history, and race or ethnicity also raise your risk, but they cannot be changed. Because type 2 diabetes develops slowly, improving the controllable factors can prevent or delay it, and these everyday habits and choices are not secret knowledge or complex medical procedures.
Key Takeaways
- Controllable diabetes risk factors are excess weight, an unhealthy diet, physical inactivity, smoking, excessive alcohol, and unmanaged stress and poor sleep.
- Uncontrollable risk factors include being over 45, a family history of diabetes, and belonging to certain racial or ethnic groups such as African Americans and Hispanics/Latinos.
- Weight matters most: according to the American Diabetes Association, approximately 85% of people with diabetes are overweight or obese.
- What helps: balanced meals built on vegetables, fruit, lean protein and whole grains; at least 30 minutes of moderate exercise most days; quitting smoking; limiting alcohol; and seven to nine hours of sleep.
- Regular screenings catch rising blood sugar early, when lifestyle changes are most effective. Lifestyle changes do not replace professional medical advice or treatment.
What is diabetes and why do risk factors matter?
Diabetes is a chronic health condition that affects the body's ability to process sugar, or glucose. This inability results from issues with insulin, a hormone produced by the pancreas. There are two main types of diabetes:
- Type 1: The body doesn't produce enough insulin.
- Type 2: The body can't use insulin properly.
Diabetes is a significant public health concern. According to the Centers for Disease Control and Prevention (CDC), more than 34 million people in the U.S. have diabetes as of 2020, representing about 10% of the population.
| Number of People | Percentage | |
|---|---|---|
| Total US Population with Diabetes | Over 34 Million | Approx. 10% |
While there is currently no cure for diabetes, it can be managed effectively through various means including medication, regular physical activity, and dietary changes. Importantly, certain risk factors can increase one's likelihood of developing this disease - some controllable and others not. Risk factors matter because type 2 diabetes usually develops over years, which gives you time to act; if you are not sure where you stand, read about prediabetes symptoms, diagnosis, and treatment.
Which diabetes risk factors can you control, and which can't you?
Diabetes risk factors fall into two groups: those you can change through daily habits and those that are fixed. The uncontrollable risk factors include age (those over 45 are at higher risk), race/ethnicity (certain groups like African Americans, Hispanics/Latinos are more likely to develop it) and family history of diabetes. The controllable elements primarily revolve around maintaining a healthy weight through balanced nutrition and regular exercise; keeping blood pressure levels in check; managing cholesterol levels; avoiding smoking; and controlling stress levels.
| Risk factor | Controllable? | What you can do |
|---|---|---|
| Excess weight or obesity | Yes | Balanced diet and regular exercise to reach and keep a healthy weight |
| Unhealthy diet (processed foods, added sugars, refined carbohydrates) | Yes | Build meals around vegetables, fruit, lean protein and whole grains |
| Physical inactivity | Yes | At least 30 minutes of moderate exercise most days plus strength training twice a week |
| Smoking | Yes | Quit; use cessation resources and support |
| Excessive alcohol | Yes | No more than two drinks per day for men, one for women, or none |
| High blood pressure and high cholesterol | Partly | Diet, exercise, and medication if your doctor prescribes it |
| Unmanaged stress and poor sleep | Yes | Seven to nine hours of sleep; mindfulness, meditation or deep breathing |
| Age over 45 | No | Get screened regularly |
| Family history of diabetes | No | Get screened earlier and more often; focus on the controllable factors |
| Race or ethnicity (e.g., African American, Hispanic/Latino) | No | Know your risk and get screened |
We'll focus on controllable risk factors since these are areas where lifestyle modifications could potentially make an impact on preventing or delaying the onset of this disease. For a wider look at the fixed and lifestyle factors together, see our article on lifestyle risk factors for diabetes.
What are the controllable risk factors for diabetes?
The controllable risk factors for diabetes are poor diet, lack of exercise, smoking, excessive alcohol consumption, and unmanaged stress. Understanding controllable risk factors could be the difference between a life dominated by this condition and one where it's managed effectively. So, let's take a closer look at these factors.
Unhealthy eating habits
Unhealthy eating habits are linked directly to diabetes. Consuming high amounts of processed foods, fats, sugars, and carbohydrates can lead to obesity -- another significant risk factor for diabetes. Implementing balanced meals with ample fruits, vegetables, lean proteins and whole grains in your diet can help control blood sugar levels. Our guide to foods to avoid with diabetes lists the biggest offenders.
Lack of physical activity
Lack of physical activity is next on our list. Regular exercise helps your body use insulin more efficiently. It also aids in maintaining a healthy weight – creating a double-whammy effect against diabetes. Learn more about how exercise lowers blood sugar.
Smoking
Smoking significantly raises your chances of becoming diabetic. The toxins found in cigarettes cause inflammation and oxidative stress throughout the body hampering insulin action. We cover the evidence in detail in does smoking increase diabetes risk?
Excessive alcohol consumption
Let's not forget alcohol consumption; excessive drinking can trigger pancreatitis – a known risk factor for diabetes.
Unmanaged stress
Stress management plays an essential role in controlling blood glucose levels since stress hormones can directly impact these readings. Practical approaches are covered in our guide to stress management with diabetes.
Here's how these factors stack up:
| Risk Factor | Potential Impact |
|---|---|
| Poor Diet | High |
| Lack of Exercise | High |
| Smoking | Medium-High |
| Excessive Alcohol Consumption | Medium |
| Unmanaged Stress | Medium |
- A balanced diet reduces obesity risk.
- Regular exercise improves insulin efficiency.
- Quitting smoking reduces inflammatory damage.
- Moderate alcohol consumption lowers pancreatitis probability.
- Effective stress management controls blood sugar spikes.
By understanding and addressing these controllable risk factors, we're not only arming ourselves with invaluable tools to fight back against diabetes but also improving our overall health profile. Remember that lifestyle changes don't happen overnight - patience and persistence are key here.
How can you lower your risk of type 2 diabetes?
You lower your risk of type 2 diabetes by keeping a healthy weight, moving most days, not smoking, limiting alcohol, and protecting your sleep and stress levels. Each lever below targets one of the controllable risk factors.
Maintain a healthy weight
First, it's essential to maintain a healthy weight. Being overweight increases the likelihood of developing type 2 diabetes. In fact, according to data from the American Diabetes Association, approximately 85% of people with diabetes are overweight or obese. By adopting a balanced diet and regular exercise routine, we can help manage our weight effectively and decrease our diabetes risk. If weight is your main concern, start with our weight loss strategies for diabetes.
| Weight Status | Percentage of Diabetics |
|---|---|
| Overweight | 85% |
Move your body most days
Sedentary lifestyles lead to obesity and insulin resistance, both major contributors to type 2 diabetes onset. Incorporating physical activity into your daily routine is vital for keeping this risk at bay. Here are some recommendations:
- Engage in moderate-intensity exercise like brisk walking or cycling for at least half an hour most days.
- Consider strength training activities like lifting weights or yoga two times per week.
Not sure where to begin? Our guide to building a diabetes exercise plan walks through a weekly routine.
Limit alcohol and quit smoking
Alcohol consumption and smoking are other modifiable risk factors for diabetes that need attention. Excessive drinking causes chronic pancreatitis leading to diabetes while smoking increases insulin resistance. Here's what you can do:
- Limit alcohol intake: Men should have no more than two drinks per day; women no more than one.
- If you smoke, quit! It's easier said than done but there are numerous resources available to assist with quitting.
Protect your sleep and manage stress
Sleep quality and stress management are overlooked yet crucial factors in managing your overall health including your diabetes risk:
- Aim for seven to nine hours of quality sleep each night.
- Practice mindfulness techniques such as meditation or deep breathing exercises regularly.
In summary, maintaining a healthy lifestyle doesn't just benefit us physically but it significantly reduces our risk of developing diseases like diabetes too. It’s all about making conscious choices every day that lead us toward better health. A structured program can help; see diabetes prevention strategies and benefits and our step-by-step guide to preventing type 2 diabetes.
Why do regular check-ups matter for diabetes risk?
Regular check-ups matter because rising blood sugar has few symptoms, and screening is the only reliable way to catch prediabetes before it becomes type 2 diabetes. Frequent medical check-ups should become part-and-parcel of our routine. Regular screenings enable early detection and control of blood glucose levels thus preventing complications down the line. Read our overview of diabetes tests and diagnosis to learn what the A1C, fasting glucose and glucose tolerance tests measure.
Here's a quick review of what you can control:
- Healthy lifestyle: regular exercise and a balanced diet
- No cigarette smoking
- Moderate or no alcohol
- Frequent medical check-ups
When should you see a doctor about your diabetes risk?
See a doctor for a blood sugar screening if you are over 45, are overweight, have a parent or sibling with diabetes, had gestational diabetes, or have high blood pressure or cholesterol, even if you feel well. Make an appointment sooner if you notice increased thirst, frequent urination, unexplained weight loss, blurred vision, slow-healing cuts, or tingling or numbness in your feet. While lifestyle changes can help us stave off diabetes or manage it if we've been diagnosed, they don't replace professional medical advice or treatment. It's always crucial to consult with your healthcare provider about any concerns you may have about diabetes or its risk factors. Together with them - armed with solid information and strong resolve - we can face down diabetes.
Frequently asked questions about diabetes risk factors
What are the risk factors for type 2 diabetes?
The main risk factors for type 2 diabetes are excess weight, physical inactivity, an unhealthy diet, smoking, excessive alcohol, high blood pressure and cholesterol, and unmanaged stress, plus the fixed factors of age over 45, family history, and race or ethnicity. Most people who develop type 2 diabetes have several of these at once. The controllable factors are where lifestyle changes make the biggest difference.
What are the risk factors for type 1 diabetes?
Type 1 diabetes is an autoimmune condition in which the body doesn't produce enough insulin, and its known risk factors are family history and genetics rather than lifestyle. Unlike type 2 diabetes, it cannot be prevented by diet, exercise or weight control. The lifestyle habits in this article still help people with type 1 diabetes manage blood sugar and protect their overall health.
What are the risk factors for gestational diabetes?
Gestational diabetes risk is higher in women who are overweight before pregnancy, are over 25 (and especially over 35), have a family history of diabetes, had gestational diabetes in a previous pregnancy, or belong to a higher-risk racial or ethnic group. Reaching a healthy weight and staying active before and during pregnancy are the controllable factors. Women who have had gestational diabetes have a higher lifetime risk of type 2 diabetes and should be screened regularly afterward.
What are the modifiable risk factors for diabetes?
"Modifiable" and "controllable" mean the same thing: risk factors you can change. For diabetes these are weight, diet, physical activity, smoking, alcohol intake, blood pressure, cholesterol, sleep and stress. Age, family history and ethnicity are the non-modifiable risk factors.
Can you get diabetes if you have no risk factors?
Yes, although it is less common. Type 1 diabetes can develop in people with no family history, and some people develop type 2 diabetes at a healthy weight. That is why routine blood sugar screening is recommended for all adults over 45, and why unusual symptoms such as constant thirst or frequent urination should be checked regardless of your risk profile.
Does family history mean you will definitely get diabetes?
No. A parent or sibling with diabetes raises your risk, but it does not make the disease inevitable. Because family history cannot be changed, the best response is to work harder on the controllable factors - weight, diet, exercise, smoking and alcohol - and to get screened earlier and more often than someone without a family history.
References, studies and sources
- Mayo Clinic. Diabetes: Symptoms and causes. https://www.mayoclinic.org/diseases-conditions/diabetes/symptoms-causes/syc-20371444
- Centers for Disease Control and Prevention (CDC). Diabetes. https://www.cdc.gov/diabetes/
- American Diabetes Association. About Diabetes. https://diabetes.org/
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Diabetes. https://www.niddk.nih.gov/health-information/diabetes
About the author: Dr. Matthew Capozzi, DPM, FACFAS, CWS, is a board-certified foot surgeon through the American Board of Foot and Ankle Surgery. He is a Diplomate of the American Academy of Wound Management and Fellow of the American College of Foot and Ankle Surgeons. He completed a three-year residency program in Foot and Ankle Reconstructive Surgery at St. Francis Hospital & Medical Center in Hartford, CT in 2010. Dr. Capozzi is a board-certified Wound Specialist® granted by the American Academy of Wound Management.
Healthcare disclaimer: Always consult your physician before beginning any program. This general information is not intended to diagnose any medical condition or to replace your healthcare professional. If you experience any pain or difficulty, stop and consult your healthcare provider. CircuFiber socks are a general wellness product intended to promote a temporary increase in local blood flow and circulation; they are not intended to diagnose, treat, cure, or prevent any disease. Individual results vary.
