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Exploring the Health Risks: Link Between BMI and Obesity

In our fast-paced world, it's important to prioritize a healthy lifestyle. Obesity has become a significant health issue, impacting people of all ages. To gain a better understanding, let's explore the connection between BMI and obesity, and learn about the associated health risks. But first, let's clarify what BMI and obesity actually mean.

Understanding BMI & Obesity

BMI: BMI (Body Mass Index) is a measurement calculated using an anyone's weight and height. It provides an estimate of body fat and helps categorize individuals into different weight categories: underweight, normal weight, overweight, and obese.

Obesity: Obesity is when a person has too much body fat, which can cause health problems. It happens when they eat more calories than their body needs and don't burn them off. Being obese can lead to health problems like heart disease, diabetes, and joint pain. It's important to eat healthy and be active to avoid obesity.

“According to a study conducted in India, around 50% of women aged 30-49 were found to have abdominal obesity. This term refers to the accumulation of excess fat specifically around the waist area.”

Link Between BMI and Obesity

BMI and obesity are interconnected because BMI is often used as a surrogate measure for identifying individuals who are at risk of or have obesity. BMI provides a standardized way to categorize individuals into different weight status categories, including underweight, normal weight, overweight, and obesity.

The World Health Organization (WHO) and many health organizations around the world use BMI ranges to define different weight status categories. These classifications may vary slightly across different regions, but generally, they follow similar guidelines. Here are the commonly used BMI ranges:

Underweight: BMI less than 18.5
Normal weight: BMI between 18.5-24.9
Overweight: BMI between 25-29.9
Obesity (Class I): BMI between 30-34.9
Obesity (Class II): BMI between 35-39.9
Obesity (Class III): BMI of 40 or higher (also known as morbid obesity)

It's important to note that BMI is not a perfect measure of obesity. It does not account for factors such as muscle mass, bone density, and distribution of fat.

“As per the 2022 World Obesity Atlas, by 2030, India will have over 27 million children who are obese. This estimate suggests that approximately 1 in 10 children globally would be impacted by obesity.”

Health Risks Associated with Obesity

Obesity is closely linked to type 2 diabetes. Excess weight affects the body's ability to utilize insulin effectively, resulting in high blood sugar levels. diabetologists specialize in managing diabetes and can help individuals understand the importance of weight management in preventing and managing the condition.

Cardiovascular Problems:
Obesity significantly increases the health risks of developing cardiovascular diseases such as hypertension (high blood pressure), heart disease, and stroke. The excess weight puts strain on the heart and blood vessels, leading to elevated blood pressure, higher cholesterol levels, and increased likelihood of blood clots.

Orthopedic Issues:
Carrying excessive weight puts a tremendous amount of stress on the bones and joints, increasing the risk of developing orthopedic problems. Conditions like osteoarthritis, Osteoarthritis is a type of arthritis that affects the joints, are more common in obese individuals. Orthopedic specialists can provide guidance on weight management and offer treatment options to alleviate pain and improve mobility.

Respiratory Disorders:
Obesity can adversely impact the respiratory system, leading to breathing difficulties and sleep disorders such as obstructive sleep apnea. Pediatrician and Gastroenterologist specialize in diagnosing and treating respiratory issues related to obesity, especially in children.

Psychological and Emotional Impact:
Obesity not only affects physical health but can also have a significant impact on mental and emotional well-being. Many individuals with obesity may experience low self-esteem, depression, anxiety, and social isolation. Seeking assistance from mental health professionals can be advantageous in addressing these difficulties and overcoming them effectively.

The Role of Healthcare Specialists

Pediatricians or child-specialist play a vital role in addressing childhood obesity. They monitor children's growth and development, assess their BMI, and provide guidance on nutrition and physical activity to prevent and manage obesity. Regular check-ups with a child specialist are crucial in identifying potential health risks and intervening at an early stage.

Gastroenterologists are doctors who have expertise in identifying and treating conditions that affect the digestive system. They can help identify any underlying gastrointestinal issues that may contribute to weight gain or difficulties in weight management. Gastroenterologists can provide personalized treatment plans and recommendations to address these concerns.

For individuals with obesity and diabetes, diabetologist play a key role in managing blood sugar levels and promoting weight loss. They can prescribe medication, provide dietary advice, and support individuals in making lifestyle changes to improve their overall health.

Orthopedic Specialist:
Orthopedic specialists focus on musculoskeletal health. For individuals with obesity-related orthopedic issues, these specialists can provide treatment options such as physical therapy, joint injections, or, in severe cases, surgical interventions. They also emphasize the importance of weight management to reduce stress on the joints and improve mobility.


Understanding the link between BMI and obesity is crucial for recognizing the associated health risks. With the accessibility offered by tele-communication platforms like MetahealthCover, seeking guidance from healthcare specialists.


Is BMI the same as obesity?
No, Body Mass Index BMI is not the same as obesity. The index is a measurement that assesses body weight relative to height. It categorizes individuals into different weight ranges.

How do I calculate my BMI?
To calculate your index, divide your weight in kilograms by the square of your height in meters. This will give you a number that indicates whether you are underweight, normal weight, overweight, or obese based on your height and weight.

What is a normal BMI?
A normal BMI falls between 18.5 and 24.9. It is a measurement that indicates a healthy weight range based on your height. If your index is within this range, it suggests that you have a healthy body weight relative to your height.

What are 5 causes of obesity?
There are several common causes of obesity. These include poor diet, lack of physical activity, genetic factors, certain medical conditions (such as hypothyroidism), and psychological factors (like stress or emotional eating). These factors can contribute to weight gain and the development of obesity.

How to achieve a healthy BMI?
To attain a healthy BMI, consider seeking guidance from an online dietitian consultation. They will assess your current index, offer personalized nutrition and exercise recommendations, and assist you in developing a balanced eating plan to achieve and sustain a healthy weight.

Please note that the information provided on this website is aimed at being accurate and helpful. However, it is for informational purposes only and should not be considered a substitute for consulting a qualified medical professional. If you require further assistance or medical management, please visit a doctor or a hospital. Neither the company nor the team can be held responsible for any loss, damage, or injury resulting from the use of this website.

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