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Unexplained weight loss is rare in our society, where weight gain is so common. Weight loss usually occurs in the context of a causative illness, like prolonged diarrhea, where it is not the main symptom, but just an associated problem. However, sometimes the loss of 5 or 10% of the body’s weight can occur in a few months without explanation or clues, and a consultation is needed.
Proper Nutrition is critical for Health, including maintenance of “normal” weight. The Gastrointestinal tract extracts nutrients from the food we eat, and illnesses such as COELIAC DISEASE, or REGIONAL ENTERITIS can prevent proper absorption. Our HORMONES regulate energy and chemical balance, and Thyroid, Parathyroid, Pancreas and Adrenal malfunction can disturb weight Homeostasis.
Chronic infection, such as AIDS and TB can sap energy quietly. NEUROLOGICAL PROBLEMS such as Depression, Dementia or Parkinsons can result in an improper diet, and subsequent weight loss. CANCER is the first thing we worry about when we unexpectedly lose weight, but Neoplasms usually betray themselves with other, more dramatic symptoms.
It is a good idea to regularly check your weight at the same time every day. Almost always it will reassure you by staying the same. Sometimes it will warn you to cut your feasting. Occasionally an unexpected drop in weight will direct you to your Doctor to find an explanation.