Health Tip: Always Hungry?

(HealthDay News) -- Everyone has days when they eat too much. But if you always seem to be hungry, there may be a medical explanation.

The U.S. National Library of Medicine offers these possible reasons for excessive hunger, medically called "hyperphagia" or "polyphagia":

• Anxiety.

• Eating disorders, such as bulimia.

• Diabetes mellitus, including gestational diabetes.

• Low blood sugar (hypoglycemia).

• Premenstrual syndrome (PMS).

• Thyroid conditions, such as hyperthyroidism or Graves' disease.

• Side effects of medications, including corticosteroids and certain antidepressants.