A 22-year-old professional who presented with a problem that she is feeling constantly tired, lethargic and cold. The tiredness is making it difficult for her at work and she is beginning to worry that she may lose her job. She has noted that the feelings of tiredness and coldness have come on gradually over the last two months. Jane has also noticed that she is gaining weight, over 15 pounds in the last three months despite having no appetite.

She has no known past medical history; drinks moderate amounts of alcohol and doesn’t smoke. What could be the most probable diagnosis for this condition? * This image based case is from Docplexus editorial team for educative purpose only. Source: Haymarket