By Dr. Sunita Singh Rathore
Gynecologist & IVF Specialist, Vinsfertility Hospital

Introduction

Diabetes mellitus is a chronic metabolic disorder that is rapidly increasing in India and across the world. According to the International Diabetes Federation (IDF) Diabetes Atlas 2021, more than 74 million adults aged 20–79 years in India are living with diabetes. The disease develops when the body either fails to produce enough insulin or cannot effectively use the insulin it produces. Insulin is the hormone responsible for regulating blood sugar levels in the body. When this process is disrupted, glucose accumulates in the bloodstream, leading to high blood sugar.

Medical experts and organizations such as the Indian Council of Medical Research (ICMR) stress that early detection and proper management are essential to prevent serious complications. With the right lifestyle choices, medical treatment, and regular monitoring, people with diabetes can maintain a healthy and active life.

Diabetes is not only related to blood sugar levels. It can also influence hormonal balance and reproductive health. In some cases, uncontrolled diabetes may contribute to fertility issues, making pregnancy more difficult for some couples. Therefore, proper diagnosis and management are important for overall health.

Types of Diabetes

Type 1 Diabetes

Type 1 diabetes is an autoimmune condition in which the immune system mistakenly attacks and destroys insulin-producing beta cells in the pancreas. As a result, the body stops producing insulin entirely.

Key features of Type 1 diabetes include:

·         Usually develops in children or young adults

·         Requires lifelong insulin therapy

·         Accounts for about 5–10% of diabetes cases

·         Symptoms often appear suddenly

Type 2 Diabetes

Type 2 diabetes is the most common form of the disease, accounting for nearly 90–95% of all cases. It occurs when the body becomes resistant to insulin and gradually loses the ability to produce enough of it.

Important characteristics include:

·         Often develops after the age of 40

·         Strongly linked to lifestyle habits and genetics

·         Can initially be controlled through diet, exercise, and medications

·         Symptoms may develop slowly and remain unnoticed for years

Gestational Diabetes

Gestational diabetes develops during pregnancy and typically disappears after childbirth. However, women who experience it have a higher risk of developing type 2 diabetes later in life.

Doctors recommend screening during pregnancy, particularly between 24 and 28 weeks, using the Oral Glucose Tolerance Test (OGTT).

Prediabetes

Prediabetes is considered an early warning stage where blood sugar levels are higher than normal but not high enough to be diagnosed as diabetes. Without lifestyle changes, many individuals with prediabetes may eventually develop type 2 diabetes.

Common Symptoms of Diabetes

Diabetes often causes several noticeable symptoms due to elevated blood sugar levels. The most common symptoms include:

·         Frequent urination, especially at night

·         Excessive thirst

·         Increased hunger

·         Unexplained weight loss

·         Fatigue and weakness

·         Blurred vision

·         Slow healing wounds

·         Frequent infections, including skin or urinary infections

Some individuals may also experience tingling or numbness in the hands and feet, itching around the genital area, or dark patches on the skin.

In women, additional warning signs may include recurrent yeast infections, pregnancy complications, or conditions such as polycystic ovary syndrome (PCOS).

It is important to note that type 2 diabetes often develops gradually, and many people remain unaware of the condition until routine health tests reveal elevated blood sugar levels.

Causes and Risk Factors

Causes of Type 1 Diabetes

The exact cause of Type 1 diabetes is not fully understood, but several factors are believed to contribute:

·         Autoimmune reactions that destroy insulin-producing cells

·         Genetic predisposition

·         Certain viral infections that may trigger the immune response

Risk Factors for Type 2 Diabetes

Several lifestyle and health factors significantly increase the risk of developing type 2 diabetes.

Lifestyle-related factors

·         Lack of physical activity

·         High consumption of sugary and processed foods

·         Excess intake of refined carbohydrates

·         Smoking or tobacco use

·         Excessive alcohol consumption

Physical health factors

·         Overweight or obesity

·         High blood pressure

·         Abnormal cholesterol levels

Genetic factors

·         Family history of diabetes

·         Higher susceptibility among South Asian populations

Medical conditions

·         Polycystic ovary syndrome (PCOS)

·         History of gestational diabetes

·         Cardiovascular disease

Experts recommend regular diabetes screening for adults over the age of 30, especially those with risk factors.

Diagnosis of Diabetes

Doctors diagnose diabetes using blood tests that measure glucose levels. A diagnosis may be confirmed if any of the following results are observed:

·         Fasting Plasma Glucose (FPG): 126 mg/dL or higher after eight hours of fasting

·         Oral Glucose Tolerance Test (OGTT): 200 mg/dL or higher two hours after consuming glucose

·         HbA1c Test: 6.5% or higher

·         Random Blood Glucose Test: 200 mg/dL or higher along with symptoms of diabetes

After diagnosis, doctors may recommend additional tests such as lipid profile, kidney function tests, and eye examinations to evaluate overall health.

Treatment and Management

Although diabetes currently has no permanent cure, it can be effectively controlled through proper management.

Lifestyle Changes

Lifestyle modification is the cornerstone of diabetes management.

Key recommendations include:

·         Eating a balanced diet rich in whole grains, vegetables, fruits, and lean protein

·         Limiting sugar, processed foods, and refined carbohydrates

·         Engaging in 30–45 minutes of physical activity daily

·         Maintaining a healthy body weight

·         Managing stress and getting adequate sleep

Medication

Doctors may prescribe medications to control blood sugar levels. One of the most commonly used first-line medications is metformin.

Depending on the severity of the condition, other medications or insulin therapy may also be required.

People with Type 1 diabetes must take insulin injections for life, while some individuals with type 2 diabetes may require insulin if oral medications are not sufficient.

Possible Complications

If diabetes is not properly controlled, it can lead to serious long-term health problems, including:

·         Heart disease and stroke

·         Kidney damage

·         Vision problems or blindness

·         Nerve damage (neuropathy)

·         Foot ulcers and infections

Regular monitoring and early medical intervention can help prevent many of these complications.

Preventing Diabetes

Research shows that healthy lifestyle changes can reduce the risk of developing type 2 diabetes by up to 58%. Important preventive measures include:

·         Maintaining a healthy weight

·         Eating a balanced and fiber-rich diet

·         Exercising regularly

·         Avoiding tobacco and limiting alcohol

·         Managing stress effectively

·         Undergoing regular health checkups

Conclusion

Diabetes is a serious health condition, but it is manageable with early detection and proper care. By adopting healthier lifestyle habits, monitoring blood sugar levels regularly, and following medical advice, individuals can live active and fulfilling lives despite the condition.

Public awareness, regular screening, and access to quality healthcare are crucial steps in reducing the growing burden of diabetes in India. Individuals experiencing symptoms or having risk factors should consult healthcare professionals promptly for evaluation and guidance.