What could be meant by worse in sentence "the smell of sweat and worse"? Can it be puke?
Here is some context:
Her eyes shimmered with tears of self-pity. For years, she thought, she’d honestly believed nothing could be as bad as prison—the sound of cell doors locking shut, the smell of sweat and worse, the menial work, the disgusting food.
Excerpt from Hideaway by Nora Roberts