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How does Diabetes Impact Heart Health?

Diabetes is a metabolic disorder that affects how the body processes sugar from food. When insulin production is insufficient or insulin does not work properly, blood glucose levels rise beyond healthy limits. Over time, this imbalance begins to affect vital organs.

Medical evidence shows that heart disease is up to four times more likely in people living with diabetes than in those without the condition. Read More

This increased risk arises from blood vessel damage, inflammation, and changes in cholesterol levels caused by persistent high blood sugar levels.1

Understanding the link between diabetes and heart health helps identify potential health risks, so that individuals with diabetes can manage their medications effectively and adopt healthier lifestyle choices. Read Less

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Written ByShruti gujarathi
AboutShruti gujarathi
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Shruti Gujarathi has 5 years of experience in the BFSI sector, and as Manager – Digital Marketing at Bajaj Life Insurance, manages digital and content marketing. She has had hands-on experience in content strategy, performance marketing and Strategic Alliances over a career spanning 10 years, with deep expertise in insurance domain.
Reviewed ByRituraj Singh
AboutRituraj Singh
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Rituraj Singh,With over 6.5 years of experience in the insurance industry, Rituraj Singh, Manager- Product & Brand Marketing at Bajaj Life Insurance overlooks new product launches, compliance, and brand projects, leveraging artificial intelligence and technology to enhance outcomes.
Written on: 13th November 2025
Modified on: 11th February 2026
Reading Time: 26 Mins
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How Does Diabetes Affect Your Heart?

 

1. Damage blood vessels

High blood sugar levels can gradually damage blood vessels, including those that supply the heart. When blood vessels lose their flexibility, blood flow becomes less efficient. Over time, this can weaken the heart and increase the risk of heart-related problems.

 

2. High blood pressure

Many people with diabetes also develop high blood pressure. This forces the heart to work harder than normal to pump blood. Continued strain can affect heart function and raise the risk of heart disease.

 

3. Unhealthy cholesterol levels

Diabetes often affects cholesterol balance, increasing bad cholesterol while lowering good cholesterol. This imbalance encourages fatty deposits to build up in arteries. As arteries narrow, the risk of heart attack and other cardiac issues rises.

 

4. Impact heart muscle (diabetic cardiomyopathy)

Diabetes can directly affect the heart muscle, making it less efficient at pumping blood. These changes may develop even without blocked arteries. Over time, this can cause heart failure if not managed.

 

5. Nerve damage affecting heart control

Diabetes can damage nerves that regulate heart rate and blood pressure. When these signals are disrupted, the heart may not respond normally to physical or emotional stress. This enhances the risk of rhythm-related heart problems.

 

Common Heart Conditions Linked to Diabetes

 

1. Coronary Artery Disease (CAD)

CAD or coronary artery disease is the most frequently observed heart condition among people with diabetes. Persistently high blood sugar contributes to the buildup of plaque in the arteries supplying blood to the heart, causing them to narrow and stiffen. This limits oxygen delivery to the heart muscle and increases the risk of chest pain and heart attacks.

 

2. Heart Attack

A heart attack happens when a blocked artery does not allow blood from reaching part of the heart muscle. In individuals with diabetes, nerve damage may reduce pain sensation, leading to what are known as silent heart attacks. Because symptoms may be mild or overlooked, treatment is often delayed, increasing the risk of long-term heart damage.

 

3. Heart Failure

Diabetes can gradually weaken the heart muscle, reducing its ability to pump blood effectively. Changes in heart structure and function may cause fatigue, shortness of breath, and fluid retention. Over time, this can lead to heart failure,

 

4. Stroke

Diabetes increases the risk of stroke by damaging blood vessels and causing clot formation. Narrowed or blocked arteries reduce blood flow to the brain, potentially. Managing blood sugar and cardiovascular risk factors through lifestyle changes and medication is essential to lowering this risk.

 

Prevalent Symptoms of Heart Disease

Symptoms of heart disease can vary depending on the condition and its severity. In some cases, symptoms may develop gradually, while in others they may appear suddenly. Some of the common symptoms are

  1. Chest pain or discomfort
  2. Shortness of breath
  3. Fatigue
  4. Rapid or irregular heartbeat
  5. Dizziness or light-headedness
  6. Swelling
  7. Nausea or stomach discomfort
 

Tips to Lower Heart Disease Risk in People With Diabetes

People with diabetes can reduce their risk of heart disease by following specific medical and lifestyle measures that also help manage existing heart conditions.

 

1. Healthy Diet

Following a balanced and nutritious diet plays a key role in managing blood sugar levels while also supporting overall heart health. Including veggies, fruits, lean sources of protein, and whole grains helps maintain steady glucose levels and improves cardiovascular function. Limiting the intake of salt, added sugars, and saturated fats reduces strain on the heart. Including heart-healthy fats, such as omega-3 fatty acids from fish or flaxseeds, further supports healthy blood vessels.

 

2. Regular Exercise

Engaging in regular physical activity can aid in improving blood circulation, manage body weight, and regulating the level of blood sugar. You can try a minimum of 30 minutes of moderate-intensity exercise regularly to gain consistent benefits. Activities like swimming, walking, and cycling are effective options that support heart health without excessive strain.

 

3. Weight Management

Carrying excess body weight places additional pressure on the heart and can worsen blood sugar control. A gradual and sustainable approach to weight loss helps reduce this strain and supports better metabolic balance. Maintaining a healthy weight contributes to improved heart function and overall health.

 

4. Quit Smoking and Limit Alcohol

Smoking damages blood vessels and significantly increases the risk of heart disease, especially in individuals with diabetes. Limiting alcohol consumption is equally important, as alcohol can raise blood pressure and interfere with blood sugar control and medications. Avoiding smoking and moderating alcohol intake help protect both heart and metabolic health.

 

5. Stress Management

Chronic stress can negatively affect both blood pressure and blood sugar levels. Practising stress management techniques such as meditation, yoga, or deep breathing helps promote emotional balance and cardiovascular stability. Managing stress consistently supports healthier daily functioning and long-term heart health.

 

Conclusion

Cardiovascular complications are common in diabetic patients, largely due to the impact of prolonged glucose imbalance on blood vessels and heart function. Over time, these changes increase susceptibility to heart disease and related conditions.

Regularly monitoring your health and adopting a healthy lifestyle can help slow down the impact of diabetes on your heart health.

Health management, however, is only one side of preparedness. Chronic conditions can create uncertainty around finances and dependents’ security. The Bajaj Life Diabetic Term Plan from Bajaj Life Insurance is specially designed for individuals with diabetes and offers financial support for your medical needs.

 

Key Takeaways

  1. People with diabetes are up to four times more likely to develop heart disease3 due to ongoing blood vessel damage and metabolic imbalance.
  2. Diabetes is linked to serious conditions such as coronary artery disease, heart attacks, heart failure, and stroke, often with subtle early symptoms.
  3. Early recognition of warning signs and regular health monitoring are critical to reducing long-term heart complications.
  4. Blood sugar control, healthy lifestyle choices, and routine medical care can significantly lower cardiovascular risk.
  5. Advanced Financial planning by including diabetes-specific insurance cover, will help support future needs.
 

Frequently Asked Questions (FAQ)

 

1. How does managing diabetes lower heart disease risk?

Controlling blood sugar, blood pressure, and cholesterol reduces strain on the heart and lowers cardiovascular risk.

 

2. Can medications for diabetes help prevent heart disease?

Certain diabetes treatments also help protect the heart by improving glucose control and managing blood pressure.

 

3. Can stress worsen heart health in diabetes?

Ongoing stress can negatively affect heart health in people living with diabetes.

 

4. Does diabetes increase the risk of heart blockage?

Diabetes raises the likelihood of plaque buildup in arteries, which can restrict blood flow to the heart.

 

5. Can exercise undo heart damage caused by diabetes?

Exercise cannot reverse damage, but it helps strengthen the heart and limit further complications.


Sources

  1. https://asianheartinstitute.org/blog/how-diabetes-impacts-heart-prevention-tips
  2. https://www.lalpathlabs.com/blog/diabetes-and-heart-diseases/
  3. https://apollodiagnostics.in/blogs/hba1c-and-heart-health-understanding-the-link-between-diabetes-and-cardiovascular-disease
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The content of this article is intended for informational purposes only and does not provide any professional medical/nutritional advice. Kindly consult your Dietician/Nutritionist/Doctor for any assistance/advice. Bajaj Life Insurance Limited (Formerly known as Bajaj Allianz Life Insurance Company Limited) disclaims any warranty, responsibility or liability for the accuracy of the above information and assumes no responsibility for errors or omissions. For more details on risk factors, terms and conditions please read the sales brochure & policy document (available on www.bajajlifeinsurance.com) carefully before concluding a sale. Bajaj Life Insurance Limited (Formerly known as Bajaj Allianz Life Insurance Company Limited) Reg. Office Address: Bajaj Insurance House, Airport Road, Yerawada, Pune - 411006. CIN: U66010PN2001PLC015959, call us on Customer Care No. 020-6712 1212 , mail us on: customercare@bajajlife.com. The Logo of Bajaj Life Insurance Limited is provided on the basis of license given by Bajaj Finserv Ltd. to use its “Bajaj” Logo.

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*Tax benefits as per prevailing Section 10(10D) and Section 80C of the Income Tax Act shall apply. You are requested to consult your tax consultant and obtain independent advice for eligibility before claiming any benefit under the policy.Above Tax benefit is calculated considering deduction of Rs. 150,000 and applicable tax rate of 31.20%.

~Individual Death Claim Settlement Ratio for FY 2023-2024

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Bajaj Life Insurance Limited (Formerly known as Bajaj Allianz Life Insurance Company Limited) | IRDAI Reg no. 116


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