Weight loss, in the context of medicine, health, or physical fitness, refers to a reduction of the total body mass, due to a mean loss of fluid, body fat or adipose tissue or lean mass, namely bone mineral deposits, muscle, tendon, and other connective tissue. Weight loss can either occur unintentionally due to malnourishment or an underlying disease or arise from a conscious effort to improve an actual or perceived overweight or obese state. "Unexplained" weight loss that is not caused by reduction in calorific intake or exercise is called cachexia and may be a symptom of a serious medical condition. Intentional weight loss is commonly referred to as slimming.
You want to eliminate bad fats from your meals — trans fats, fried fats, and fat from cheaply raised, industrially farmed animals that are fed corn and soy. Fats found in pizza, ice cream, and cheeseburgers fool the brain into ignoring the signals that tell your brain that you are full. They disrupt the hormones that send those signals to your brain. Focus on healthy fats, especially those that contain omega-3 fatty acids, found in foods like salmon, sardines, avocados, walnuts, chia seeds, and dark green leafy vegetables.

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