I'm still able to edit the title: care to suggest another version that fits within 80 chars? The title alone fits, one char to spare, but I didn't want to pass off a 4-y.o. paper as if it was pharmacological news.
Based on the definition of emotional arousal, stress isn't 100% accurate, but perhaps better than aroused.
Too late to edit the title now, but for the benefit of next time, I'm still interested in suggestions.