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15 Aug 2014
Decreased functional capacity, response to chemotherapy and the median survival is observed. Furthermore, severe weight loss predisposes to infection. Patients undergoing elective surgery and have lost more than 4.5 kg in six months have higher surgical mortality.

Deficiencies of nutrients and vitamins also accompany significant weight loss. Causes weight loss There is a long list of causes can produce weight loss (Table 1). In the elderly, the most common are depression, cancer and benign gastrointestinal diseases. Lung cancer and gastrointestinal tract are the most frequent malignancies in patients who experience weight loss.

In younger people need to consider diabetes mellitus; hyperthyroidism; psychiatric disturbances, including...