Understanding Overweight and Obesity

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Chapter 1: Understanding Overweight and Obesity

Overweight and obesity are prevalent conditions worldwide, and their incidence is on the rise. In this chapter, we will explore the definitions of overweight and obesity, as well as the key health risks associated with these conditions.

Definition of overweight and obesity

Overweight and obesity are defined as abnormal or excessive fat accumulation in the body that may impair health. These conditions are commonly assessed using the body mass index (BMI) metric. BMI is a measure of body fat based on height and weight, and it is a widely used tool for identifying individuals who are overweight or obese.

BMI and its role in identifying overweight and obesity

BMI is calculated by dividing a person's weight in kilograms by their height in meters squared. A BMI of 25 to 29.9 is considered overweight, and a BMI of 30 or above is classified as obese. BMI is an important tool for identifying individuals who are at risk of developing health problems due to their weight.

Health risks associated with overweight and obesity

Overweight and obesity are associated with a wide range of health risks, including cardiovascular disease, type 2 diabetes, high blood pressure, stroke, respiratory problems, and some types of cancer. These conditions can significantly impact a person's quality of life and increase their risk of premature death.

WHO's definition of excessive fat accumulation

The World Health Organization defines overweight and obesity as abnormal or excessive fat accumulation that may impair health. This definition recognizes that excess fat can impact health in multiple ways, including by increasing the risk of chronic diseases.

Summary

In summary, overweight and obesity are defined as abnormal or excessive fat accumulation in the body that can impair health. BMI is an important tool for identifying individuals who are at risk of developing health problems due to their weight. These conditions are associated with a wide range of health risks, and it is important to understand their impact on overall health and well-being.

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