Breathing Exercises to Lower Blood Sugar: A Holistic Approach to Diabetes Management

The Unseen Link: Stress, Breathing, and Blood Sugar

Diabetes management extends beyond monitoring glucose levels and adhering to prescribed treatments; it also involves understanding the intricate connections between our mental state and physiological responses. Stress, a pervasive element in modern life, plays a significant role in blood sugar regulation. When we experience stress, our bodies release hormones such as cortisol and adrenaline. These hormones are part of the ‘fight or flight’ response, designed to provide a quick energy boost by increasing glucose production and reducing insulin sensitivity. For someone with diabetes, this can lead to elevated blood sugar levels, making management more challenging.

Fortunately, our breath offers a direct pathway to influence this stress response. The autonomic nervous system, which controls involuntary bodily functions, has two main branches: the sympathetic nervous system (responsible for ‘fight or flight’) and the parasympathetic nervous system (responsible for ‘rest and digest’). Rapid, shallow breathing often activates the sympathetic system, exacerbating stress. Conversely, slow, deep, and controlled breathing techniques can stimulate the parasympathetic system, promoting relaxation and helping to mitigate the adverse effects of stress on blood sugar.

The Science Behind the Breath: How Breathing Affects Glucose

The impact of breathing exercises on blood sugar is rooted in their ability to modulate the autonomic nervous system and reduce physiological stress. By activating the parasympathetic nervous system, deep breathing helps to lower cortisol levels. Reduced cortisol, in turn, can lead to improved insulin sensitivity and decreased hepatic glucose production, both of which are crucial for maintaining healthy blood sugar levels. Furthermore, some studies suggest that breathing exercises can reduce oxidative stress and enhance antioxidant status, which are often compromised in individuals with type 2 diabetes [2].

Key Breathing Exercises for Blood Sugar Control

Several breathing techniques have demonstrated potential benefits for individuals with diabetes. Incorporating these into your daily routine can be a simple yet effective step towards better health.

Diaphragmatic Breathing (Belly Breathing)

This technique focuses on engaging the diaphragm, a muscle located below the lungs, for deeper, more efficient breaths. It’s a cornerstone of many relaxation practices.

• Technique: Lie on your back with one hand on your chest and the other on your abdomen. Inhale slowly through your nose, feeling your abdomen rise. Exhale slowly through pursed lips, feeling your abdomen fall. Focus on keeping your chest relatively still.
• Benefits: Research indicates that regular diaphragmatic breathing can significantly reduce oxidative stress and improve antioxidant status in type 2 diabetes [2]. It has also been shown to effectively control blood sugar levels [3, 7].

Slow Deep Breathing

A straightforward approach to calming the nervous system and promoting relaxation.

• Technique: Find a comfortable position. Inhale slowly and deeply through your nose for a count of four, hold for a count of four, and exhale slowly through your mouth for a count of six. Repeat for several minutes.
• Benefits: Studies suggest that slow deep breathing, especially when combined with aerobic exercise, can better control glucose and cortisol levels in women with type 2 diabetes [1, 4, 15]. It is also effective in decreasing stress levels, which can indirectly lead to reduced blood sugar [5, 11].

Pranayama (Yoga Breathing)

Pranayama encompasses various yoga breathing techniques, each with specific benefits. Two commonly studied types include Nadi Shodhana (alternate nostril breathing) and Bhramari (humming bee breath).

• Technique: Techniques vary widely. For Nadi Shodhana, sit comfortably, close your right nostril with your right thumb, inhale through the left, then close the left nostril with your ring finger, release the right thumb, and exhale through the right. Inhale through the right, then close the right, release the left, and exhale through the left. This completes one round.
• Benefits: Pranayama has been shown to normalise increased plasma glucose levels and reduce HbA1c (a measure of long-term blood sugar control) [6]. It can also improve insulin sensitivity and significantly decrease fasting and postprandial blood glucose [9, 10].

4-7-8 Breathing

Developed by Dr. Andrew Weil, this technique is known for its calming effects and ability to promote relaxation.

• Technique: Exhale completely through your mouth, making a
  whoosh sound. Close your mouth and inhale quietly through your nose to a mental count of four. Hold your breath for a count of seven. Exhale completely through your mouth, making a whoosh sound, for a count of eight. Repeat this cycle three more times for a total of four breaths.

• Benefits: This technique is particularly effective for reducing anxiety and promoting a sense of calm [6]. Given that people with type 2 diabetes are more prone to anxiety, this can indirectly support better blood sugar management by mitigating stress-induced glucose spikes.

Integrating Breathing Exercises into Your Daily Routine

Incorporating breathing exercises into a busy lifestyle might seem daunting, but it can be seamlessly integrated with a little planning. Start by choosing one or two techniques that resonate with you. Practice them at specific times, such as first thing in the morning, before meals, during short breaks at work, or before bedtime. Setting a reminder on your phone can help establish a routine. Remember, these exercises are not a replacement for your prescribed diabetes medication, diet plan, or physical activity, but rather a powerful complementary tool to enhance your overall management strategy.

Important Considerations and Warnings

While breathing exercises are generally safe and beneficial, it is crucial to approach them as a complementary therapy. They should never replace conventional medical treatments, prescribed medications, or dietary recommendations from your healthcare provider. Always consult your doctor or a qualified healthcare professional before starting any new exercise regimen, especially if you have underlying health conditions or are pregnant. Pay attention to your body; if you experience any dizziness, discomfort, or unusual symptoms, stop the exercise and seek medical advice.

Conclusion

Breathing exercises offer a simple, accessible, and evidence-backed method to support individuals in managing their blood sugar levels. By harnessing the power of the breath, you can influence your body’s stress response, improve insulin sensitivity, and contribute to a more balanced physiological state. From diaphragmatic breathing to pranayama, these techniques provide a holistic approach to diabetes care, empowering you to take an active role in your health journey. Embrace the breath, and discover a new pathway to well-being.

References

1. Obaya, H. E., Abdeen, H. A., Salem, A. A., & Shehata, M. A. (2023). Effect of aerobic exercise, slow deep breathing and mindfulness meditation on cortisol and glucose levels in women with type 2 diabetes mellitus: a randomized controlled trial. Frontiers in Physiology, 14, 1186546. Link
2. Hegde, S. V., Adhikari, P., Subbalakshmi, N. K., & Bellary, S. (2012). Diaphragmatic breathing exercise as a therapeutic intervention for control of oxidative stress in type 2 diabetes mellitus. Complementary Therapies in Clinical Practice, 18(3), 189-192. Link
3. Khanum, A., Khan, S., Kausar, S., & Sultana, A. (2019). Effects of diaphragmatic breathing exercises on blood sugar levels in working class females with type-2 diabetes mellitus. International Journal of Medical Research and Health Sciences, 8(1), 1-4. Link
4. Obaya, H. E., Abdeen, H. A., Salem, A. A., & Shehata, M. A. (2023). The addition of slow deep breathing and mindfulness meditation to aerobic exercise can better control the glucose and cortisol levels of women with T2DM. PubMed. Link
5. Warsono, W., & Yanto, A. (2020). Effectiveness of slow deep breathing exercise on decreasing stress levels for patients with diabetes mellitus. South East Asia Nursing Research, 2(1), 20-24. Link
6. American Diabetes Association. (2024, September 14). People living with type 2 diabetes are 20% more likely than those without to have anxiety. Controlled breathing techniques, like 4-7-8 breathing, can help calm… Facebook. Link
7. Hegde, S. V., Adhikari, P., Subbalakshmi, N. K., & Bellary, S. (2012). Diaphragmatic breathing exercise as a therapeutic intervention for control of oxidative stress in type 2 diabetes mellitus. ScienceDirect. Link
8. Santhi, S., & Prakash, S. (2015). Effect of Yoga on Blood Glucose Levels in Patients with Type 2 Diabetes Mellitus. Journal of Clinical and Diagnostic Research, 9(5), CC01-CC03. Link
9. Tripathy, M. (2019). Effect of 12-week pranayama in the management of type-2 diabetes. National Journal of Physiology, Pharmacy and Pharmacology, 9(2), 123-126. Link
10. Longdom Publishing SL. (n.d.). Can Yoga Breathing Exercises Improve Glycemic Response and Insulin Sensitivity. Longdom Open Access. Link
11. Warsono, W., & Yanto, A. (2020). Effectiveness of slow deep breathing exercise on decreasing stress levels for patients with diabetes mellitus. Semantic Scholar. Link
12. Yadav, A. (2021). Effects of Diaphragmatic Breathing and Systematic Relaxation on Depression, Anxiety, Stress Levels, and Glycemic Control in Patients with Type 2 Diabetes Mellitus. PubMed. Link
13. Hegde, S. V., Adhikari, P., Subbalakshmi, N. K., & Bellary, S. (2012). Diaphragmatic breathing exercise as a therapeutic intervention for control of oxidative stress in type 2 diabetes mellitus. PubMed. Link
14. ClinicalTrials.gov. (n.d.). Effect of Breathing and Relaxation Exercises on Serum Glucose in Patients with Type 2 Diabetes. Link
15. Obaya, H. E., Abdeen, H. A., Salem, A. A., & Shehata, M. A. (2023). The addition of slow deep breathing and mindfulness meditation to aerobic exercise can better control the glucose and cortisol levels of women with T2DM. Frontiers in Physiology. Link