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Is Your Blood Sugar Sabotaging Your Health? How to Take Control

04 Sep 2025 by Gregory W. Barsness, M.D.

Is Your Blood Sugar Sabotaging Your Health? How to Take Control

Blood sugar, also known as glucose, is the primary fuel source for your body. However, when blood sugar levels become imbalanced – either too high (hyperglycemia) or too low (hypoglycemia) – it can lead to a cascade of health problems. This article explores how blood sugar imbalances can negatively impact your health and provides actionable strategies for taking control and maintaining healthy levels.

Understanding Blood Sugar and Its Impact

Your body tightly regulates blood sugar levels through a complex interplay of hormones, primarily insulin, which is produced by the pancreas. After you eat, your body breaks down carbohydrates into glucose, which enters your bloodstream. Insulin helps glucose move from your blood into your cells, where it can be used for energy or stored for later.

When this process is disrupted, problems arise:

  • Hyperglycemia (High Blood Sugar): This occurs when your body doesn't produce enough insulin or can't use insulin effectively (insulin resistance). Over time, hyperglycemia can damage blood vessels and nerves, leading to complications like heart disease, kidney disease, nerve damage (neuropathy), and eye damage (retinopathy).

  • Hypoglycemia (Low Blood Sugar): This happens when blood sugar levels drop too low. It can be caused by skipping meals, excessive exercise, certain medications, or underlying medical conditions. Symptoms of hypoglycemia include shakiness, sweating, dizziness, confusion, and in severe cases, loss of consciousness.

Signs Your Blood Sugar Might Be Imbalanced

Recognizing the symptoms of blood sugar imbalances is crucial for early intervention. Common signs include:

  • Frequent urination, especially at night: High blood sugar forces your kidneys to work harder to filter excess glucose, leading to increased urination.
  • Excessive thirst: As your body tries to flush out excess glucose, you may feel constantly thirsty.
  • Unexplained weight loss: If your body can't use glucose for energy effectively, it may start breaking down muscle and fat for fuel, leading to weight loss.
  • Increased hunger: Despite eating, you may still feel hungry because your cells aren't getting enough glucose.
  • Blurred vision: High blood sugar can affect the lenses in your eyes, causing blurred vision.
  • Slow-healing sores: Elevated blood sugar impairs blood circulation and immune function, making it harder for wounds to heal.
  • Fatigue: Fluctuating blood sugar levels can lead to feelings of fatigue and low energy.
  • Recurring infections: High blood sugar weakens the immune system, making you more susceptible to infections.

How Blood Sugar Imbalances Sabotage Your Health

Beyond the immediate symptoms, chronic blood sugar imbalances can have devastating long-term consequences:

  • Cardiovascular Disease: High blood sugar damages blood vessels, increasing the risk of heart disease, stroke, and peripheral artery disease.
  • Neuropathy (Nerve Damage): High blood sugar can damage the small blood vessels that supply nerves, leading to tingling, numbness, pain, and even loss of function in the hands and feet.
  • Nephropathy (Kidney Disease): High blood sugar can damage the filtering units of the kidneys, leading to kidney failure.
  • Retinopathy (Eye Damage): High blood sugar can damage the blood vessels in the retina, leading to vision loss and blindness.
  • Increased Risk of Alzheimer's Disease: Emerging research suggests a link between insulin resistance and an increased risk of Alzheimer's disease.

Taking Control: Strategies for Healthy Blood Sugar Levels

Fortunately, you can take proactive steps to manage your blood sugar and protect your health:

  • Adopt a Balanced Diet: Focus on whole, unprocessed foods that are low in added sugars and refined carbohydrates. Emphasize fruits, vegetables, whole grains, lean protein, and healthy fats. Pay attention to portion sizes to avoid overeating.

  • Choose Low-Glycemic Foods: The glycemic index (GI) measures how quickly a food raises blood sugar levels. Opt for low-GI foods, which are digested more slowly and have a gentler impact on blood sugar. Examples include whole grains, legumes, and non-starchy vegetables.

  • Eat Regularly and Don't Skip Meals: Skipping meals can lead to blood sugar fluctuations. Aim to eat regular meals and snacks throughout the day to maintain stable blood sugar levels.

  • Incorporate Fiber into Your Diet: Fiber slows down the absorption of sugar, helping to regulate blood sugar levels. Good sources of fiber include fruits, vegetables, whole grains, and legumes. What Is The Prediabetes Range Diagnosis Levels And Your Next Steps

  • Engage in Regular Physical Activity: Exercise helps your body use insulin more effectively and lowers blood sugar levels. Aim for at least 30 minutes of moderate-intensity exercise most days of the week.

  • Monitor Your Blood Sugar (if necessary): If you have diabetes or are at risk for developing diabetes, your doctor may recommend monitoring your blood sugar levels regularly with a glucose meter. This can help you track your progress and make adjustments to your diet and medication as needed. Low Blood Sugar Hypoglycemia Symptoms You Should Never Ignore

  • Manage Stress: Stress can raise blood sugar levels. Practice stress-reducing techniques such as yoga, meditation, or spending time in nature.

  • Get Enough Sleep: Sleep deprivation can disrupt hormone levels and increase blood sugar levels. Aim for 7-8 hours of quality sleep each night.

  • Consult with a Healthcare Professional: If you have concerns about your blood sugar levels, talk to your doctor. They can perform a blood sugar test and recommend a personalized treatment plan based on your individual needs.

Understanding A1C

A1C is a blood test that provides an average of your blood sugar control over the past 2-3 months. It's different from a regular blood sugar test, which shows your blood sugar level at a specific point in time. The A1C test measures the percentage of your red blood cells that have glucose attached to them. The higher your blood sugar levels, the more glucose will be attached to your red blood cells. This is important to know, because it gives doctors more information.

A1C Level Diabetes Status Estimated Average Glucose (eAG)
Below 5.7% Normal Around 114 mg/dL
5.7% - 6.4% Prediabetes Around 114 - 137 mg/dL
6.5% or higher Diabetes Around 154 mg/dL or higher

Disclaimer: This table is for informational purposes only and should not be used as a substitute for professional medical advice. Always consult with a healthcare provider for accurate diagnosis and treatment.

The Importance of Regular Checkups

Even if you feel healthy, regular checkups with your doctor are essential for monitoring your blood sugar levels and detecting any potential problems early. Your doctor can perform a blood sugar test to screen for prediabetes and diabetes. They can also assess your risk factors for these conditions and recommend preventive measures.

In Conclusion

Taking control of your blood sugar is an investment in your long-term health and well-being. By adopting a healthy lifestyle and working closely with your healthcare provider, you can manage your blood sugar levels, reduce your risk of complications, and live a long and healthy life. Don't let blood sugar imbalances sabotage your health. Take action today! Foods That Lower Blood Sugar You Should Add To Your Diet Today

References and Further Reading