Which of the following best defines obesity?

Obesity is best defined as an excess of body fat that raises health risks because it encompasses the critical components of body composition and associated health implications. This definition highlights that obesity is not merely a concern related to weight but rather focuses on the amount of fat tissue in the body that can lead to various health issues, such as heart disease, diabetes, and certain cancers. The definition also implies that the accumulation of excessive body fat has significant consequences for overall health, making it a key factor in determining obesity.

Understanding obesity in this manner is crucial for addressing its causes and related health issues effectively. It distinguishes obesity from other weight-related conditions and emphasizes the importance of body fat in assessing health risks, thus guiding appropriate interventions and health management strategies.