How Sugar Affects Diabetes | SPARSH Hospital

Published in : Endocrinology and diabetology | January 24, 2025 |

How Sugar Affects Diabetes

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Excess sugar consumption can lead to blood glucose spikes, worsening diabetes symptoms and an increase in the risk of complications like heart disease and nerve damage. Understanding the difference between natural and added sugars, managing daily intake, and making lifestyle adjustments, such as monitoring blood sugar and incorporating fibre-rich foods, can help maintain better blood glucose levels. For individuals in Bangalore, consulting endocrinologists and diabetologists ensures expert guidance for effective diabetes management.

Introduction

When discussing sugar and diabetes, many assume that eating sugar directly causes diabetes. While sugar consumption alone isn’t the sole factor, excessive intake can increase the risk of developing Type 2 diabetes and exacerbate symptoms in those already diagnosed. The body’s ability to process glucose—a form of sugar—is at the heart of diabetes management.

This blog breaks down how sugar impacts diabetes, the sugar limit for diabetics, and provides actionable advice for managing daily intake.

Understanding Sugar and Diabetes

Sugar plays a significant role in the body as a primary energy source. For those with diabetes, managing blood glucose levels becomes critical, as their bodies either don’t produce enough insulin (Type 1 diabetes) or can’t use insulin effectively (Type 2 diabetes).

Can eating sugar cause diabetes?

Sugar consumption doesn’t directly cause diabetes but contributes to weight gain and obesity, which are major risk factors for Type 2 diabetes. Regularly consuming high levels of added sugars, particularly in sugary drinks and processed foods, strains the pancreas and can lead to insulin resistance.

Does natural sugar cause diabetes?

Natural sugars in fruits and dairy are different from added sugars. Whole foods containing natural sugars also provide fibre, vitamins, and minerals, which slow sugar absorption and prevent blood sugar spikes. In moderation, natural sugars are not a significant risk factor.

Impact of Sugar on Blood Glucose Levels

For diabetics, monitoring glucose is key to avoiding complications. Foods high in added sugars cause rapid spikes in blood sugar, which can damage blood vessels and nerves over time. This can lead to complications like neuropathy, kidney damage, and vision loss.

Daily Sugar Intake: What’s Safe?

For those managing diabetes, the sugar limit for diabetics depends on individual factors like weight, activity level, and overall health.

  • The American Heart Association recommends no more than 24 grams (6 teaspoons) of added sugar per day for women and 36 grams (9 teaspoons) for men.
  • Opt for low-glycaemic index foods that release sugar slowly, avoiding spikes in blood glucose.

Difference Between Natural and Added Sugars

The difference between sugar and diabetes lies in how sugars are absorbed and processed:

  • Natural Sugars: Found in fruits, vegetables, and dairy. Paired with fibre, they are absorbed more slowly, making them a safer choice for diabetics.
  • Added Sugars: Found in processed foods like biscuits, cakes, and sugary drinks. These sugars lead to quick blood sugar spikes and should be limited.

How to Manage Sugar Intake

  • Read Labels
    Hidden sugars are often found in unexpected places like sauces, salad dressings, and even bread. Carefully check labels for ingredients like high-fructose corn syrup, sucrose, or maltose to avoid sneaky sugar additions.
  • Swap Sugary Drinks
    Beverages like soft drinks and energy drinks are loaded with sugar. Replace them with water, herbal teas, or glucose-free alternatives to maintain hydration without the sugar overload.
  • Incorporate Fibre
    Foods rich in fibre, such as whole grains, legumes, and vegetables, slow the absorption of sugar into the bloodstream. This helps in preventing sudden blood sugar spikes.
  • Monitor Blood Sugar
    Regular monitoring helps you understand how different foods affect your blood sugar levels. This awareness allows you to make informed dietary choices and maintain better glucose control.

When to See a Doctor?

If you’re struggling to manage your daily sugar intake or have symptoms like frequent urination, fatigue, or blurred vision, consult Endocrinologists and Diabetologists in Bangalore. They can provide tailored guidance and help you manage your condition effectively.

Conclusion

Managing sugar is crucial for preventing complications and improving overall well-being for those with diabetes. By understanding the difference between sugar and diabetes and focusing on a balanced diet, you can maintain stable blood glucose levels. If you’re in Bangalore, consult experts to optimise your diabetes care.

Frequently Asked Questions

What does sugar do to a diabetic?

When a diabetic consumes too much sugar, it spikes blood glucose levels, which can strain the body over time. Persistent high sugar levels can contribute to nerve damage, cardiovascular issues, kidney problems, and vision loss. Proper blood sugar management is crucial to avoid these complications.

What are 5 signs your blood sugar is too high?

  1. Frequent urination: The body tries to flush out excess sugar.
  2. Increased thirst: A natural response to dehydration from frequent urination.
  3. Fatigue: High glucose levels can leave cells deprived of energy.
  4. Blurred vision: Excess sugar affects the lens in the eyes, causing temporary changes.
  5. Unexplained weight loss: The body burns fat and muscle for energy when glucose isn’t properly used.

What happens if a diabetic keeps eating sugar?

Consistently eating high amounts of sugar can lead to chronically elevated blood sugar levels. This worsens symptoms and increases the risk of serious complications, such as organ damage, heart disease, and neuropathy. Over time, uncontrolled sugar intake can severely impact quality of life.

What happens when a diabetic gives up sugar?

Reducing sugar consumption can significantly improve blood sugar control, stabilise energy levels, and aid in weight management. Over time, this reduces the risk of complications and promotes better overall health. Improved insulin sensitivity and lower inflammation are additional benefits of cutting down on sugar.


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