Weight loss - unintentionalLoss of weight; Losing weight without trying; Unexplained weight loss
Unexplained weight loss is a decrease in body weight, when you did not try to lose the weight on your own.
Many people gain and lose weight. Unintentional weight loss is loss of 10 pounds (4.5 kilograms) OR 5% of your normal body weight over 6 to 12 months or less without knowing the reason.
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