Weight loss refers to the process of reducing body weight, typically by decreasing body fat. It can occur intentionally through various methods such as dietary changes, increased physical activity, or behavioral modifications, or unintentionally due to factors like illness or nutritional deficiencies. ### Key Aspects of Weight Loss: 1. **Energy Balance**: Weight loss generally occurs when the number of calories burned exceeds the number of calories consumed. This is often referred to as a caloric deficit.
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