What are causes of unexplained weight loss?

Unexplained weight loss may be a sign of many diseases, such as small intestine cancer, or none at all. You may have recently changed your diet or your exercise routine without being fully aware of it, or your body chemistry may simply be changing as you age. If the weight loss is very great, you are under the proper weight for your height, you also feel abdominal pain, or you feel tired all the time, consult your doctor. Only your doctor can make a diagnosis and determine a course of treatment.
Unexplained weight loss can be a warning sign of a malabsorptive issue such as celiac disease, thyroid issues, depression, and even cancer. A careful review of caloric intake versus usage should be done prior to considering any of the above diagnoses to ensure you are not short on your nutritional demands. You should see your physician for further evaluation and a workup.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.