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

Stress does not cause diabetes on its own, but chronic stress raises blood sugar and can push a person who is already at risk toward insulin resistance and type 2 diabetes. Stress hormones such as cortisol and adrenaline release glucose into the blood as part of the "fight or flight" response; when that response stays switched on for weeks or months, blood sugar stays elevated and the pancreas has to work harder. Stress also drives the habits that raise diabetes risk, including poor sleep, inactivity and comfort eating. Managing stress with regular physical activity, mindfulness, adequate sleep and a support system is a practical part of diabetes prevention.

Key Takeaways

• Stress is a risk factor, not a direct cause. Genetics and lifestyle set the baseline risk for type 2 diabetes; chronic stress adds to it by keeping blood sugar elevated.
• Stress hormones raise blood sugar. Cortisol and adrenaline release glucose for the "fight or flight" response, which is harmless in short bursts but harmful when it becomes constant.
• Chronic stress promotes insulin resistance. Sustained high glucose forces the pancreas to overproduce insulin, and cells gradually become less responsive to it.
• Stress also works indirectly through unhealthy eating, skipped exercise and poor sleep, all of which make blood sugar harder to manage.
• Stress and blood sugar form a feedback loop: high blood sugar increases stress, which raises blood sugar further.
• Four prevention strategies that help: regular physical activity, mindfulness and relaxation techniques, seven to eight hours of sleep, and a strong support system.

Can stress cause diabetes?

Stress by itself does not cause diabetes, but chronic stress can contribute to the development of type 2 diabetes in people who are already predisposed to it. Numerous studies have shed light on how our bodies' response to stress can, over time, contribute to the development of diabetes, particularly Type 2. At the core of this relationship are stress hormones such as cortisol and adrenaline, which have the power to increase blood glucose levels—a concern for those predisposed to diabetes.

While genetics and lifestyle choices like diet and physical activity play a pivotal role in diabetes risk, the additive factor of stress cannot be overlooked. It's a component that, when addressed with intentionality, can lead to better overall health and potentially lower the risk of developing diabetes. For a closer look at what the research does and does not show, read our evidence review on stress and diabetes.

What is stress, and why does the body respond to it?

Stress is the body's reaction to any change that requires an adjustment or response. These changes can emanate from our surroundings, our body, or our thoughts, and not all stress is negative. Some stressors can be positive, prompting us to stay focused, energetic, and alert. Yet, when stress overwhelms our coping capabilities, it morphs into a risk factor for various health issues, diabetes included.

Our bodies react to stress by releasing hormones that increase our heart rate and blood sugar levels, preparing us to face the "fight or flight" situation. But, when this state is prolonged, or the stress becomes chronic, this constant heightened state can take a toll, especially on individuals already vulnerable to or managing diabetes.

Stress varies greatly among individuals; what might stress one person out may not affect another the same way. Types of stress include:

• Physical stress (illness, injury, chronic health conditions)
• Emotional stress (work issues, financial worries, personal relationships)
• Environmental stress (noise, weather, traffic)

Understanding our own stress triggers and how our bodies respond is critical in managing our overall health. For individuals with diabetes, or those at risk, recognizing the signs of stress is the first step in mitigating its potential impacts on blood sugar levels and overall well-being. Learn why checking your blood sugar matters if you are under sustained stress.

How does diabetes develop, and where does stress fit in?

Diabetes is a chronic disease characterized by elevated levels of glucose, or sugar, in the blood. This condition stems from either an inability of the body to produce enough insulin—a hormone secreted by the pancreas that regulates blood sugar—or the body's cells responding inadequately to insulin. There are mainly two types of diabetes, each distinct in its root cause and management approaches:

• Type 1 diabetes: This form is often diagnosed in children and young adults, where the body's immune system mistakenly attacks insulin-producing cells in the pancreas, making the individual dependent on insulin injections or pumps for life.
• Type 2 diabetes: Far more common, this type emerges mostly in adulthood, stemming from a combination of genetic and lifestyle factors that affect the body's ability to use insulin effectively.

Read more on the difference between prediabetes, type 1 and type 2 diabetes.

Key factors that influence diabetes risk

• Genetics play a pivotal role in determining one's risk of developing diabetes, especially Type 2.
• Lifestyle choices including diet, exercise, and smoking habits significantly impact the management and prevention of Type 2 diabetes.
• Stress can exacerbate or contribute to the development of diabetes by affecting blood sugar levels and overall health.

It's crucial to recognize that managing diabetes goes beyond simple sugar regulation. It involves a comprehensive approach that includes maintaining a balanced diet, engaging in regular physical activity, monitoring blood glucose levels, and, when necessary, medication management. This holistic perspective not only helps in controlling diabetes but also reduces the risk of complications such as heart disease, kidney failure, and vision issues.

Monitoring and management

Effective diabetes management relies on regular monitoring of blood sugar levels to ensure they remain within a target range. This involves using blood glucose meters and, for some individuals, continuous glucose monitoring systems. These tools empower us to make informed decisions about diet, activity levels, and medication.

Education on nutrition and lifestyle changes plays a significant role in managing diabetes. Simple adjustments like incorporating a variety of whole foods, reducing sugar and refined carbs, and prioritizing physical activity can have a profound impact on blood sugar control and overall well-being.

How does stress affect blood sugar levels?

Stress raises blood sugar because the "fight or flight" response releases cortisol and adrenaline, hormones that tell the liver to release stored glucose into the bloodstream. When we encounter stress, our body's fight or flight response kicks in, releasing a surge of hormones like cortisol and adrenaline. These hormones have the immediate effect of increasing our blood sugar levels, providing us with the energy required to face perceived threats. This mechanism, while beneficial in short bursts, can be detrimental when triggered frequently.

Short-term stress: a temporary glucose spike

Stress, whether it stems from daily hassles or significant life events, plays a significant role in blood sugar fluctuations. In a healthy person, the glucose released during a stressful moment is used up or cleared by insulin once the stressor passes.

Chronic stress: sustained high blood sugar and insulin resistance

Chronic stress keeps our hormone levels elevated, leading to a sustained increase in blood sugar levels. Over time, this can overwhelm our body's ability to regulate glucose effectively, laying the groundwork for insulin resistance. Insulin resistance is a condition where our cells become less sensitive to insulin, the hormone responsible for ushering glucose from our blood into our cells. This resistance forces the pancreas to work harder, producing more insulin in an attempt to lower blood sugar levels. But, this overproduction can eventually exhaust the pancreas, impairing its ability to produce insulin adequately and elevating the risk of developing Type 2 diabetes. Read more about insulin resistance and how to improve sensitivity.

The stress and blood sugar feedback loop

It's also important to note the cyclical connection between stress and blood sugar management. Elevated blood sugar levels can heighten stress, creating a feedback loop that can further complicate diabetes management. Hence, breaking this cycle is crucial for those looking to maintain optimal health.

How does chronic stress raise type 2 diabetes risk?

Chronic stress raises type 2 diabetes risk through three overlapping routes: a hormonal imbalance that keeps glucose high, the insulin resistance that follows, and the unhealthy habits stress tends to drive. When we're exposed to constant stress, our body's fight or flight response is always on, leading to a prolonged surge of hormones like cortisol and adrenaline. These hormones play a crucial role in elevating our blood glucose levels to prepare us for immediate action. But, in the absence of physical activity to use this glucose, our blood sugar levels remain high, putting us at risk.

Chronic stress doesn't just stop there. It pushes our body into a state of persistent high alert, causing our blood glucose levels to remain elevated for an extended period. This condition strains our body's ability to manage these levels effectively. Over time, this relentless pressure can overwhelm the pancreas, impairing its ability to produce enough insulin. Insulin resistance then becomes a stark reality, paving the path toward Type 2 diabetes.

Also, stress can indirectly influence our diabetes risk through detrimental lifestyle choices. Under stress, we might gravitate towards unhealthy eating habits, neglect physical activity, and compromise our sleep quality. These behaviors further exacerbate the situation, making it even more challenging for our body to manage blood glucose levels effectively. For a deeper look at the biology, see our article on chronic stress and diabetes mellitus.

The table below summarizes how each type of stress affects blood sugar and what you can do about it.

How can you manage stress to help prevent type 2 diabetes?

Managing stress for diabetes prevention comes down to four habits: regular physical activity, mindfulness and relaxation, adequate sleep, and a strong support system. When we understand how stress impacts our body's ability to regulate blood sugar, we arm ourselves with the knowledge to take proactive measures against diabetes development. First and foremost, it's vital to recognize the signs of stress. These can range from feelings of overwhelm and irritability to physical symptoms like headaches or sleep disturbances. Identifying these signs early allows us to carry out strategies to mitigate stress effectively.

Regular physical activity

Engaging in regular physical activity is a cornerstone of stress management. Exercise not only improves our physical health but also releases endorphins, chemicals in the brain that act as natural painkillers and mood elevators. A consistent exercise routine can significantly reduce stress levels, improve insulin sensitivity, and lower the risk of Type 2 diabetes. Exercise is a proven way to lower blood sugar and improve insulin sensitivity; see how exercise lowers blood sugar.

Mindfulness and relaxation techniques

Another powerful tool in our stress management arsenal is mindfulness and meditation. These practices help us to remain present and grounded, reducing our body's stress responses. Incorporating mindfulness into our daily routine can lead to lower cortisol levels and a calmer, more balanced state of mind. Practices such as meditation, deep breathing, and yoga for blood sugar control can significantly reduce stress levels.

Adequate sleep

Adequate, restful sleep is also crucial for stress management. Poor sleep can exacerbate stress, creating a vicious cycle that's hard to break. By prioritizing good sleep hygiene—such as maintaining a regular sleep schedule and creating a restful sleeping environment—we can improve sleep quality and reduce stress. Ensuring seven to eight hours of quality sleep each night can help regulate hormones and reduce stress.

A strong support system

Finally, establishing a strong support system plays a significant role in managing stress. Having people we can rely on for emotional support and practical help can make a considerable difference in our overall stress levels. Whether it's family, friends, or support groups, knowing we're not alone in managing stress can be incredibly reassuring. Equally important is working with health professionals to navigate the challenges of stress management.

By incorporating these strategies into our daily lives, we can effectively manage stress and reduce our risk of developing Type 2 diabetes. Each step we take toward stress reduction not only supports our mental and emotional well-being but also bolsters our physical health in the fight against diabetes. For more practical techniques, read our guide to stress management with diabetes and our tips on preventing type 2 diabetes.

When should you see a doctor about stress and blood sugar?

See a doctor if you are under ongoing stress and notice symptoms of high blood sugar, such as increased thirst, frequent urination, fatigue, blurred vision or slow-healing cuts, or if you have risk factors for type 2 diabetes such as a family history, excess weight or prediabetes. A simple blood test can show whether your blood sugar is in a healthy range. If you already have diabetes and stress is making your readings harder to control, ask your care team to review your management plan; persistent work stress with diabetes and diabetes burnout are common and treatable. If you are in crisis, contact your doctor or local emergency services.

Frequently asked questions about stress and diabetes

Can you get diabetes from stress?

Not directly. Stress does not cause diabetes by itself, but chronic stress raises blood sugar and promotes insulin resistance, which can tip someone with genetic or lifestyle risk factors into type 2 diabetes. Think of stress as an accelerant rather than a cause.

Can stress cause type 1 diabetes?

No. Type 1 diabetes is an autoimmune condition in which the immune system attacks the insulin-producing cells of the pancreas, and stress is not considered a cause. Stress can, however, raise blood sugar in people who already have type 1 diabetes and make it harder to manage.

Can stress raise blood sugar in type 2 diabetes?

Yes. In type 2 diabetes, the cortisol and adrenaline released during stress push glucose into the blood while the body's cells are already less responsive to insulin, so readings can climb noticeably during stressful periods. Checking your blood sugar more often when you are stressed helps you see the pattern and adjust with your doctor.

What are the symptoms of stress-induced high blood sugar?

Stress-related high blood sugar causes the same symptoms as any high blood sugar: increased thirst, frequent urination, fatigue, headaches and difficulty concentrating. Because many of these overlap with the symptoms of stress itself, the only reliable way to know is to check your blood sugar.

Can diabetes caused by stress be reversed?

If stress has pushed blood sugar into the prediabetes range, lowering stress along with regular exercise, better sleep and a balanced diet can bring readings back toward normal. Once type 2 diabetes is established, these same changes can improve control and sometimes achieve remission, but that should be managed with your healthcare team. See whether diabetes can be reversed.

Does stress make existing diabetes worse?

Yes. Stress raises blood sugar, disrupts sleep and makes it harder to stick with healthy eating, exercise and medication routines, so stressful periods often show up as worse glucose control. Building stress management into your diabetes plan helps break that cycle.

References, studies and sources

• Centers for Disease Control and Prevention (CDC). Diabetes Basics. https://www.cdc.gov/diabetes/basics/diabetes.html
• Surwit RS, Schneider MS, Feinglos MN. Stress and Diabetes Mellitus. Diabetes Care, 1992 (PubMed). https://pubmed.ncbi.nlm.nih.gov/1425110/
• National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Diabetes. https://www.niddk.nih.gov/health-information/diabetes
• American Diabetes Association. Diabetes. https://diabetes.org/
• Mayo Clinic. Diabetes: Symptoms and Causes. https://www.mayoclinic.org/diseases-conditions/diabetes/symptoms-causes/syc-20371444

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.