"Tomas complains that he is experiencing recurrent episodes of lightheadedness, rapid breathing, and dizziness, especially as he attempts to leave his house. The symptoms have become so severe that, in fact, he is leaving his house less and less frequently. He now only goes the grocery store in the company of his sister. Once in the store, he checks immediately for the exits and windows."

Agoraphobia

Explanation:

These symptoms are most compatible with those of agoraphobia. Agoraphobia refers to an anxiety disorder in which a person perceives open spaces and public situations as dangerous. People who suffer from agoraphobia become very anxious when they go to crowded events, shopping centers, marketplaces, or sometimes any place besides their home.

they produces sugar..

hope this , question was a little open ended