Subject	prolonged stres
Predicate	result
Object	in an increase in illness
Modality	Modality Occurrences often 1
Polarity	POSITIVE
Plausibility	0.3202
Neighborhood Sigma	0.3872
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source prolonged stress often result in an increase in illness 1 Answers.com Questions